CVE DATABASE / CVE-2015-2546
CVE-2015-2546
Microsoft Win32k Memory Corruption Vulnerability
Confirmed exploited in the wild. Added 2022-03-15.
Federal remediation due 2022-04-05.
Required action: Apply updates per vendor instructions.
Summary
The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability," a different vulnerability than CVE-2015-2511, CVE-2015-2517, and CVE-2015-2518.
CVSS 3.1 breakdown
| Base score | 8.2 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | REQUIRED |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- http://www.securityfocus.com/bid/76608
- http://www.securitytracker.com/id/1033485
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2546
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.