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Findings

CVE-2015-2546

Microsoft Win32k Memory Corruption Vulnerability

Published Sep 8, 2015 · updated Aug 13, 2026 · microsoft windows 10 1507

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.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 8, 2015 · Catalog

    Detected

    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, an

  2. Mar 15, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 5, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Aug 13, 2026 · Catalog

    Updated

    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, an

Required action

Apply updates per vendor instructions.

CISA due date Apr 5, 2022

Affected

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 7version unspecified
  • cpe microsoft/windows 8version unspecified
  • cpe microsoft/windows 8.1version unspecified
  • cpe microsoft/windows rtversion unspecified
  • cpe microsoft/windows rt 8.1version unspecified
  • cpe microsoft/windows server 2008version unspecified
  • cpe microsoft/windows server 2008r2
  • vendor Microsoft Win32kversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2015-2546

    The kernel-mode driver in Microsoft Windows OS and Server allows local users to gain privileges via a crafted application.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2015-2546

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2015-2546

    30-day exploitation probability 10.1%

    first.org
  • NIST NVDVulnerability recordCVE-2015-2546

    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

    nvd.nist.gov

References