CVE-2015-2546

Name: CVE-2015-2546
Creator: NVD / NIST
Published: 2015-09-09T00:59:53.207+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10Actively ExploitedEPSS 10.93%

Last modified Jun 17, 2026

CVE-2015-2546 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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 has confirmed active exploitation in the wild. EPSS estimates a 10.93% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.2/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

10.93%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 5, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 10 1507	All versions	—
Microsoft	Windows 7	All versions	Sp1
Microsoft	Windows 8	All versions	—
Microsoft	Windows 8.1	All versions	—
Microsoft	Windows Rt	All versions	—
Microsoft	Windows Rt 8.1	All versions	—
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Vista	All versions	Sp2

References

http://www.securityfocus.com/bid/76608Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1033485Broken Link, Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097Patch, Vendor Advisory
http://www.securityfocus.com/bid/76608Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1033485Broken Link, Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2546US Government Resource

Timeline

Published: Sep 9, 2015
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2015-2546?

How severe is CVE-2015-2546?

CVE-2015-2546 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 10.93% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2015-2546?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2546?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST