# CVE-2015-2546: Microsoft Win32k Memory Corruption Vulnerability

> CVE-2015-2546: Microsoft Win32k Memory Corruption Vulnerability. CVSS 8.2 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2015-2546
Last updated: 2026-08-14T03:55:43Z

- Published: 2015-09-09 00:00 UTC · Updated: 2026-08-14 03:55 UTC · Assigner: microsoft
- CVSS: 8.2 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- EPSS: 10.1%, 96th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-15, federal due date 2022-04-05, ransomware use: Known

## Description

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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Win32k

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2015-2546)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2015-2546)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097)
- [http://www.securityfocus.com/bid/76608](http://www.securityfocus.com/bid/76608)
- [http://www.securitytracker.com/id/1033485](http://www.securitytracker.com/id/1033485)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2015-2546 · Markdown: https://rewindex.com/cve/CVE-2015-2546.md · JSON: https://rewindex.com/api/v1/cves/CVE-2015-2546 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:45:09.230Z