CVE-2026-58532: Windows Kernel Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.
Other sources
Windows Kernel Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
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Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
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Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
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Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
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Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
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Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
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Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.17763.9020Patch KB5099538 - Upgrade
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Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
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Fixed in 10.0.26200.8875Patch KB5101650
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
An attacker must already be authorized to access the affected system locally. The vulnerability does not require user interaction.
What is the potential impact after exploitation?
Successful exploitation allows local elevation of privilege and is rated as having high impact on confidentiality, integrity, and availability.
Which Windows systems are in scope?
The affected software list includes Windows 10, Windows 11, and Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025.