CVE DATABASE / CVE-2019-1132
CVE-2019-1132
Microsoft Win32k Privilege Escalation Vulnerability
CVSS 7.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-15.
Federal remediation due 2022-04-05.
Required action: Apply updates per vendor instructions.
Summary
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'.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Microsoft windows 7Microsoft windows server 2008
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References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1132
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1132
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-29. Always verify against the vendor advisory before acting.