CVE-2015-2546 | BDVDB-2026-71549 Detail

MicrosoftWin32k

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

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

References#

Exploit#

No public exploit known

History#

Version 12015-09-09Record published in the CVE List.
Version 22026-08-14Most recent update recorded in the CVE List.

Published

Published: 2015-09-09
Last modified: 2026-08-14

Vendor information

Vendor: Microsoft
Product: Win32k

All Microsoft vulnerabilities

Score

8.2 High

EPSS

10.1%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 95.7.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

Apply updates per vendor instructions.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.2 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).