BLACKOUT MAP

Microsoft · Win32k

CVE-2014-4113

Microsoft Win32k Privilege Escalation Vulnerability

Exploited in attacks High 7.8 Attack chance: 87%
Share

What it is

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges via a crafted application, as exploited in the wild in October 2014, aka "Win32k.sys Elevation of Privilege Vulnerability."

CISA: Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: May 25, 2022

Added to the CISA list
May 4, 2022
Published
October 15, 2014
Severity
High 7.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
87% in the top 0.3% of all known vulnerabilities
Weakness
CWE-264
More details
NVD · CVE.org · CISA
All references (11)

More exploited flaws from Microsoft

AddedVulnerabilityProductSeverityAttack chance
Jun 22, 2023Privilege EscalationCVE-2016-0165Win32kHigh 7.814%
May 9, 2023Privilege EscalationCVE-2023-29336Win32kHigh 7.841%
May 25, 2022Privilege EscalationCVE-2015-2360Win32kHigh 8.815%
May 23, 2022Privilege EscalationCVE-2018-8589Win32kHigh 7.83.0%
Apr 25, 2022Privilege EscalationCVE-2021-40450Win32kHigh 7.81.6%
Apr 25, 2022Privilege EscalationCVE-2021-41357Win32kHigh 7.81.6%
Mar 28, 2022Privilege EscalationCVE-2013-3660Win32kHigh 7.839%
Mar 15, 2022Memory CorruptionCVE-2015-2546used by ransomwareWin32kHigh 8.210%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.