7.8

CVE-2014-4113: Microsoft Win32k Privilege Escalation Vulnerability

CVSS: 7.8v3.1HighKEVAnalyzed
Published 15-10-2014Last modified 22-10-2025
Open JSON

Vulnerability summary

CVE-2014-4113 is a high (CVSS 7.8) vulnerability in Microsoft Win32k. It is known to be exploited: CISA lists it, first on 04-05-2022. EPSS estimates a 86.93% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities. 7 public exploits are recorded.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
86.93%
0%100%
Critical · -0.11 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits7reference, exploit-database, metasploit

Timeline

  1. 15-10-2014
    PublishedVulnerability first disclosed.
  2. 04-05-2022
    Added to CISA KEVMicrosoft Win32k Privilege Escalation Vulnerability
  3. 25-05-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 22-10-2025
    Last modifiedVulnerability information updated.

Description

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."

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

86.93%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

-0.11 pp

From 87.04% on 19-09-2026

19-09-202619-10-2026
EPSS score
86.93%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
04-05-2022
Federal due date
25-05-2022

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2014-4113

Public exploits

7 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (blog.trendmicro.com)

    Maturity: unknown

  • exploit-databaselocalwindowsVerified

    Microsoft Windows - TrackPopupMenu Win32k Null Pointer Dereference (MS14-058) (Metasploit)

    Maturity: weaponized

Show all 7 exploits
  • exploit-databaselocalwindowsUnverified

    Microsoft Windows 8.1/ Server 2012 - 'Win32k.sys' Local Privilege Escalation (MS14-058)

    Maturity: poc

  • exploit-databaselocalwindowsUnverified

    Microsoft Windows Kernel - 'win32k.sys' Local Privilege Escalation (MS14-058)

    Maturity: poc

  • exploit-databaselocalwindows_x86-64Verified

    Microsoft Windows 8.0/8.1 (x64) - 'TrackPopupMenu' Local Privilege Escalation (MS14-058)

    Maturity: weaponized

  • MetasploitMetasploitremoteUnverified

    Windows TrackPopupMenu Win32k NULL Pointer Dereference

    exploit/windows/local/ms14_058_track_popup_menu

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft9 products

1 vendor · 9 products

References

12 links
Show all 12 references