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Vendor advisories

Microsoft Security Response Center

Browse 15,943 advisories from this official source. Search by product, CVE, severity, or advisory ID.

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15,943 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-2026-88085
HighCVSS 6.4

Microsoft SQL Server Elevation of Privilege Vulnerability

Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (CU31), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (GDR)
Fixed versions14.0.3560.2, 14.0.2140.2, 15.0.2200.2, 17.0.1145.4
Vendor guidance

Install KB5128496. Install KB5128497. Install KB5128495. Install KB5128492. Install KB5128494. Install KB5126934. Install KB5126967. Install KB5128493.

CVE-2026-88085
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88084
HighCVSS 5.3

Microsoft SQL Server Denial of Service Vulnerability

Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.

Affected productsMicrosoft SQL Server 2019 for x64-based Systems (CU32), Microsoft SQL Server 2019 for x64-based Systems (GDR)
Fixed versions15.0.4500.2, 15.0.2200.2
Vendor guidance

Install KB5128494. Install KB5128495.

CVE-2026-88084
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88083
HighCVSS 7.5

Microsoft SQL Server Remote Code Execution Vulnerability

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

Affected productsMicrosoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU27), Microsoft SQL Server 2025 for x64-based Systems (CU9)
Fixed versions16.0.1210.3, 17.0.1145.4, 16.0.4305.5, 17.0.5015.4
Vendor guidance

Install KB5128493. Install KB5128492. Install KB5126934. Install KB5126967.

CVE-2026-88083
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88082
HighCVSS 7.0

Microsoft SQL Server Elevation of Privilege Vulnerability

Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

Affected productsMicrosoft 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 (GDR), Microsoft SQL Server 2019 for x64-based Systems (CU32)
Fixed versions16.0.1210.3, 17.0.1145.4, 15.0.2200.2, 15.0.4500.2
Vendor guidance

Install KB5128493. Install KB5128492. Install KB5128495. Install KB5128494. Install KB5126934. Install KB5126967.

CVE-2026-88082
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88081
HighCVSS 7.7

Microsoft SQL Server Information Disclosure Vulnerability

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

Affected productsMicrosoft SQL Server 2017 for x64-based Systems (CU31), Microsoft SQL Server 2025 for x64-based Systems (GDR), Microsoft SQL Server 2017 for x64-based Systems (GDR), Microsoft SQL Server 2019 for x64-based Systems (GDR)
Fixed versions14.0.3560.2, 17.0.1145.4, 14.0.2140.2, 15.0.2200.2
Vendor guidance

Install KB5128496. Install KB5128492. Install KB5128497. Install KB5128495. Install KB5128494. Install KB5126934. Install KB5126967. Install KB5128493.

CVE-2026-88081
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88080
HighCVSS 7.8

Windows Installer Elevation of Privilege Vulnerability

Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 26H2 for x64-based Systems, Windows 11 Version 26H2 for ARM64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-88080
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88079
HighCVSS 7.0

Windows MIDI Service Module Elevation of Privileges Vulnerability

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

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.26200.9711, 10.0.26100.9711, 10.0.28000.3231
Vendor guidance

Install KB5127648. Install KB5127646.

CVE-2026-88079
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88076
HighCVSS 7.0

Windows Installer Elevation of Privilege Vulnerability

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

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-88076
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88075
HighCVSS 8.8

Configuration Manager Elevation of Privilege Vulnerability

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Configuration Manager allows an authorized attacker to elevate privileges over a network.

Affected productsMicrosoft Configuration Manager 2503, Microsoft Configuration Manager 2509, Microsoft Configuration Manager 2603
Fixed versions5.00.9135.1040, 5.00.9141.1039, 5.00.9146.1026
Vendor guidance

Release Notes

CVE-2026-88075
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88072
HighCVSS 7.8

Windows Host Guardian Service Elevation of Privilege Vulnerability

Improper access control in Windows Host Guardian Service allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646.

CVE-2026-88072
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88071
HighCVSS 7.8

Windows Hyper-V Elevation of Privilege Vulnerability

Double free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems
Fixed versions10.0.20348.5761, 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711
Vendor guidance

Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646.

CVE-2026-88071
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-88070
HighCVSS 7.8

Windows BitLocker Elevation of Privilege Vulnerability

Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Fixed versions6.2.9200.26434, 6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376
Vendor guidance

Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.

CVE-2026-88070
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87714
HighCVSS 6.5

WebDAV Security Feature Bypass Vulnerability

Missing authorization in WebDAV allows an authorized attacker to bypass a security feature over a network.

Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Fixed versions6.2.9200.26434, 6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376
Vendor guidance

Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.

CVE-2026-87714
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87713
HighCVSS 7.5

Windows Bluetooth Port Driver Remote Code Execution

Use after free in Windows Bluetooth Port Driver allows an unauthorized attacker to elevate privileges over an adjacent network.

Affected productsWindows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation)
Fixed versions10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.

CVE-2026-87713
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87712
HighCVSS 7.8

Microsoft Windows QoS Scheduler Driver Elevation of Privilege Vulnerability

Use after free in Windows Quality of Service (QoS) Packet Scheduler allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Fixed versions6.2.9200.26434, 6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376
Vendor guidance

Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.

CVE-2026-87712
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87711
HighCVSS 7.8

Windows Installer Elevation of Privilege Vulnerability

Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 26H2 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-87711
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87710
HighCVSS 7.0

Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability

Improper access control in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Fixed versions6.2.9200.26434, 6.3.9600.23470, 10.0.14393.9612, 10.0.17763.9376
Vendor guidance

Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126657. Install KB5126655. Install KB5126653. Install KB5127648. Install KB5126646. Install KB5127646.

CVE-2026-87710
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87709
HighCVSS 5.5

Windows Host Guardian Service Tampering Vulnerability

Improper access control in Windows Host Guardian Service allows an authorized attacker to perform tampering 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646.

CVE-2026-87709
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87708
HighCVSS 7.0

Windows Installer Elevation of Privilege Vulnerability

Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

Affected productsWindows 11 Version 26H2 for x64-based Systems, Windows 11 Version 26H2 for ARM64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems
Fixed versions10.0.26300.9711, 10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807
Vendor guidance

Install KB5127648. Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-87708
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87707
HighCVSS 7.8

Windows Fax and Scan Service Elevation of Privilege Vulnerability

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

Affected productsWindows Server 2016 (Server Core installation), Windows 10 Version 22H2 for 32-bit Systems, Windows Server 2012, Windows 11 Version 25H2 for ARM64-based Systems
Fixed versions10.0.14393.9512, 10.0.19045.7725, 6.2.9200.26349, 10.0.26200.9445
Vendor guidance

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

CVE-2026-87707
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87706
HighCVSS 7.8

Windows Storage Spaces Controller Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

Affected productsWindows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)
Fixed versions6.2.9200.26349, 6.3.9600.23398, 10.0.14393.9512, 10.0.17763.9245
Vendor guidance

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

CVE-2026-87706
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87705
HighCVSS 7.4

Windows Hyper-V Security Feature Bypass Vulnerability

Improper verification of source of a communication channel in Windows Hyper-V allows an unauthorized attacker to bypass a security feature over an adjacent 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-87705
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87704
HighCVSS 7.0

Windows Installer Elevation of Privilege Vulnerability

Use after free in Windows Installer 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-87704
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-87702
HighCVSS 7.8

Windows Resource Management (MRM) Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Resource Management (MRM) 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 versions10.0.17763.9376, 10.0.20348.5761, 10.0.19044.7807, 10.0.19045.7807
Vendor guidance

Install KB5126651. Install KB5126655. Install KB5126657. Install KB5126646. Install KB5127648. Install KB5126653. Install KB5127646. Install KB5126868. Install KB5126835. Install KB5126836.

CVE-2026-87702
Read the vendor advisory Watch this product
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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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