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
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1607; microsoft: windows 7; microsoft: windows 8.1; microsoft: windows rt 8.1; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016
References7
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOp… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/159569/Microsoft-Windows-Uninitia… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOp… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/159569/Microsoft-Windows-Uninitia… ExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
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
- 74% percentile: 99 · as of 10 November 2026
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