Vendor advisories

Microsoft Security Response Center

Browse 4,355 advisories from this official source. Search by product, CVE, severity, or advisory ID.

Current Checked 58 minutes ago Checked every 6 hours

4,355 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.

RSS for these results
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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Microsoft Security Response CenterCVE-2026-73019
HighCVSS 4.3

Windows URL Moniker Security Feature Bypass Vulnerability

Improper resolution of path equivalence in Windows URL Moniker 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, 10.0.19044.7725, 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.

Microsoft Security Response CenterCVE-2026-73015
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.

Microsoft Security Response CenterCVE-2026-73014
HighCVSS 7.8

Data Sharing Service Client Elevation of Privilege Vulnerability

Missing authorization in Data Sharing Service Client 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.

Microsoft Security Response CenterCVE-2026-73012
HighCVSS 8.8

Windows Management Services Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Management Services allows an authorized attacker to elevate privileges 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, 10.0.19044.7725, 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.

Microsoft Security Response CenterCVE-2026-73011
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.

Microsoft Security Response CenterCVE-2026-73008
HighCVSS 5.5

Windows Biometric Service Information Disclosure Vulnerability

Exposure of private personal information to an unauthorized actor in Windows Biometric Service 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.

Microsoft Security Response CenterCVE-2026-73007
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.

Microsoft Security Response CenterCVE-2026-73005
HighCVSS 7.0

Windows Authentication Methods Elevation of Privilege Vulnerability

Use after free in Windows Authentication Methods 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.

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Start with the vendor's bulletin.

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