CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Microsoft Win32k Privilege Escalation Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1511; microsoft: windows 10 1607; microsoft: windows 10 1703; microsoft: windows 7; microsoft: windows 8.1; microsoft: windows rt 8.1; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016
References10
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- www.exploit-db.com/exploits/44478/ ExploitThird Party AdvisoryVDB Entry
- xiaodaozhi.com/exploit/117.html ExploitThird Party Advisory
- www.exploit-db.com/exploits/44478/ ExploitThird Party AdvisoryVDB Entry
- xiaodaozhi.com/exploit/117.html ExploitThird Party Advisory
- www.securityfocus.com/bid/98258 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038449 Broken LinkThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/98258 Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038449 Broken LinkThird Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 10% percentile: 96 · as of 8 November 2026
- CWE
- CWE-416
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