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Vendor advisories

Security advisories from the vendors you use.

Search new and updated bulletins from Microsoft, Citrix, Cisco, Palo Alto Networks, Fortinet, Ivanti, Delinea, Ubuntu, and AWS. We keep each vendor's advisory ID, affected products, CVEs, severity, dates, and available fix guidance together.

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9Vendor sources
4,737Advisories collected
2,721Published or updated in 30 days
2,119Marked critical or high
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The original vendor bulletin remains the authority. SecurityAlert gives you one place to find it and compare the details vendors publish in different formats.

4,737 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

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Microsoft Security Response CenterCVE-2026-77502
HighCVSS 7.5

Windows DHCP Server Denial of Service Vulnerability

Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-77502
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77501
HighCVSS 7.5

Windows DHCP Server Denial of Service Vulnerability

Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-77501
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77500
HighCVSS 7.8

Windows Device Association Service Elevation of Privilege Vulnerability

Release of invalid pointer or reference in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.19044.7725, 10.0.19045.7725, 10.0.26200.9445
Vendor guidance

Install KB5122876. Install KB5122878. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-77500
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77498
HighCVSS 7.5

Windows DHCP Server Denial of Service Vulnerability

Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-77498
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77494
HighCVSS 7.5

Windows DHCP Server Denial of Service Vulnerability

Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-77494
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77492
HighCVSS 5.5

Windows Storage Port Driver Information Disclosure Vulnerability

Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-77492
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77491
HighCVSS 5.5

Windows GDI Information Disclosure Vulnerability

Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-77491
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77489
HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-77489
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77488
HighCVSS 5.5

Microsoft SQL Server Information Disclosure Vulnerability

Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.

Affected productsMicrosoft SQL Server 2025 for x64-based Systems (CU8), Microsoft SQL Server 2022 for x64-based Systems (CU 26), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR)
Fixed versions17.0.4085.5, 16.0.4275.2, 14.0.2130.4, 15.0.2190.7
Vendor guidance

Install KB5122769. Install KB5122768. Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772.

CVE-2026-77488
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77487
HighCVSS 8.8

SQL Server Elevation of Privilege Vulnerability

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2022 for x64-based Systems (GDR)
Fixed versions14.0.2130.4, 15.0.2190.7, 14.0.3550.4, 16.0.1200.5
Vendor guidance

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122769. Install KB5122768.

CVE-2026-77487
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77486
HighCVSS 8.8

Microsoft SQL Server Remote Code Execution Vulnerability

Integer overflow or wraparound in SQL Server allows an unauthorized attacker to execute code over a network.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2019 for x64-based Systems (CU 32)
Fixed versions14.0.2130.4, 15.0.2190.7, 14.0.3550.4, 15.0.4490.9
Vendor guidance

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122772.

CVE-2026-77486
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77485
HighCVSS 7.0

SQL Server Elevation of Privilege Vulnerability

Use after free in SQL Server allows an authorized attacker to elevate privileges locally.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2022 for x64-based Systems (GDR)
Fixed versions14.0.2130.4, 15.0.2190.7, 14.0.3550.4, 16.0.1200.5
Vendor guidance

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122769. Install KB5122768.

CVE-2026-77485
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77484
HighCVSS 8.8

Microsoft SQL Server Remote Code Execution Vulnerability

Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

Affected productsMicrosoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (CU 32)
Fixed versions15.0.2190.7, 16.0.1200.5, 17.0.1135.8, 15.0.4490.9
Vendor guidance

Install KB5122773. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122769. Install KB5122768.

CVE-2026-77484
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77483
HighCVSS 8.8

SQL Server Elevation of Privilege Vulnerability

Weak authentication in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2022 for x64-based Systems (GDR)
Fixed versions14.0.2130.4, 15.0.2190.7, 14.0.3550.4, 16.0.1200.5
Vendor guidance

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122768. Install KB5122769.

CVE-2026-77483
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77482
HighCVSS 8.8

Microsoft SQL Server Remote Code Execution Vulnerability

Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2019 for x64-based Systems (CU 32)
Fixed versions14.0.2130.4, 15.0.2190.7, 14.0.3550.4, 15.0.4490.9
Vendor guidance

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122772.

CVE-2026-77482
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77481
HighCVSS 8.8

Microsoft SQL Server Remote Code Execution Vulnerability

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2022 for x64-based Systems (GDR)
Fixed versions14.0.2130.4, 15.0.2190.7, 14.0.3550.4, 16.0.1200.5
Vendor guidance

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122769. Install KB5122768.

CVE-2026-77481
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-77480
HighCVSS 8.8

SQL Server Elevation of Privilege Vulnerability

Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (CU 31), Microsoft SQL Server 2022 for x64-based Systems (GDR)
Fixed versions14.0.2130.4, 15.0.2190.7, 14.0.3550.4, 16.0.1200.5
Vendor guidance

Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122768. Install KB5122769.

CVE-2026-77480
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-73029
HighCVSS 6.5

Microsoft SQL Server Information Disclosure Vulnerability

Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.

Affected productsMicrosoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (CU 32)
Fixed versions15.0.2190.7, 16.0.1200.5, 17.0.1135.8, 15.0.4490.9
Vendor guidance

Install KB5122773. Install KB5122771. Install KB5122770. Install KB5122772. Install KB5122769. Install KB5122768.

CVE-2026-73029
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-73028
HighCVSS 8.8

SQL Server Elevation of Privilege Vulnerability

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft SQL Server 2025 for x64-based Systems (CU8), Microsoft SQL Server 2022 for x64-based Systems (CU 26), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR)
Fixed versions17.0.4085.5, 16.0.4275.2, 14.0.2130.4, 15.0.2190.7
Vendor guidance

Install KB5122769. Install KB5122768. Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772.

CVE-2026-73028
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-73026
HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-73026
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-73025
HighCVSS 9.8

Windows iSCSI Security Feature Bypass Vulnerability

Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.26100.33438, 10.0.14393.9512
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

CVE-2026-73025
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-73022
HighCVSS 7.0

Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability

Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012.

CVE-2026-73022
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-73021
HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-73021
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-73020
HighCVSS 7.8

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)
Fixed versions10.0.17763.9245, 10.0.20348.5622, 10.0.19044.7725, 10.0.19045.7725
Vendor guidance

Install KB5122876. Install KB5122882. Install KB5122878. Install KB5122871. Install KB5124008. Install KB5122880. Install KB5124012. Install KB5123099.

CVE-2026-73020
Read the vendor advisory Watch this product
Before you act

Start with the vendor's bulletin.

We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.

Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

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