CVEvulnerability

CVE-2015-2546

8.2 HIGH Known exploited Published 2015-09-09 Modified 2026-08-14 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Win32k Memory Corruption Vulnerability — Microsoft Win32k

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

Added to KEV: 2022-03-15
Remediation due: 2022-04-05
Ransomware use: Known
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2015-2546

Status: Analyzed
Published: 2015-09-09
Last modified: 2026-08-14
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.2 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
Weaknesses: CWE-119

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.

Affected configurations

• microsoft windows 10 1507 • microsoft windows 7 • microsoft windows 8 • microsoft windows 8.1 • microsoft windows rt • microsoft windows rt 8.1 • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows vista

Weakness · CWE (1)

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References