CVE-2021-26875: Windows Win32k Elevation of Privilege Vulnerability
Windows Win32k Elevation of Privilege Vulnerability
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.0.6003.21070Patch KB5000856 - Upgrade
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Fixed in 6.1.7601.24566Patch KB5000851 - Upgrade
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Fixed in 6.3.9600.19968Patch KB5000853 - Upgrade
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Fixed in 6.2.9200.23298Patch KB5000840 - Upgrade
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Fixed in 6.3.9600.19968Patch KB5000848 - Upgrade
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Fixed in 10.0.14393.4283Patch KB5000803 - Upgrade
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Fixed in 10.0.10240.18874Patch KB5000807 - Upgrade
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Fixed in 10.0.19043.867Patch KB5000802 - Upgrade
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Fixed in 10.0.18363.1440Patch KB5000808 - Upgrade
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Fixed in 10.0.17763.1817Patch KB5000822 - Upgrade
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Fixed in 10.0.17134.2087Patch KB5000809
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this vulnerability?
The CVSS vector indicates local attack access and low privileges are required. No user interaction is required.
What could an attacker gain if exploitation succeeds?
Successful exploitation can result in elevation of privilege, with high impact to confidentiality, integrity, and availability according to the CVSS metrics.
Which systems are identified as affected?
The listed affected software includes Microsoft Windows 7, Windows 10, Windows RT 8.1, and Windows Server 2008, 2012, 2016, and 2019.