Microsoft Win32k Privilege Escalation Vulnerability

Exploited · KEV 2022-05-04Metasploit moduleCVE-2014-4113CWE-264

Exploited since 2022-05-04. No WAF vendor names it yet.

Edge rules

0/8

Our test

No exploit yet

CVSS

7.8

EPSS

86.6% Top 0.3%

Posts, 14d

Published

2014-10-15

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."

Edge coverage

Claimed by vendors

CloudflareBefore feed historyOlder than its feed AWSBefore feed historyOlder than its feed Microsoft AzureNo public claimNot named Google CloudBefore feed historyOlder than its feed FastlyBefore feed historyOlder than its feed F5Before feed historyOlder than its feed AkamaiNo public sourceNo public changelog OWASP CRSBefore feed historyOlder than its feed

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Ask about CVE-2014-4113: who's covered, what to patch first, how vendors compare. I cite sources and won't help with attacks.

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Severity, decoded

CVSS 3.1

7.8High

High · 7.8 / 10

Exploitable with local access, with no privileges and user interaction, leading to full loss of confidentiality, integrity and availability.

Needs local accessNo login neededNeeds a user to actWorks reliablyFull compromise

How the score is built8 metrics

Attack vectorAn attacker needs local access, or must trick a user into opening something on the machine.
Local
Attack complexityNo special conditions are needed; the attack works reliably.
Low
Privileges requiredNo account or login is needed.
None
User interactionA user has to do something first, such as open a file or click a link.
Required
ScopeThe damage stays within the vulnerable component.
Unchanged
Confidentiality impactAn attacker can read all data the affected component holds, or the most sensitive parts of it.
High
Integrity impactAn attacker can change any data or files the affected component protects.
High
Availability impactAn attacker can take the component down completely or keep it from serving anyone.
High

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

CISA's assessmentSSVC, from the CVE record

ExploitationActive

Attackers are exploiting this in the wild.

AutomatableNo

At least one step needs hands-on work, which slows mass attacks.

Technical impactTotal

A successful attack gives full control over the affected software or all of its data.

Public exploits

5 found

1 Metasploit4 Exploit-DB0 Scanner template0 GitHub PoCs

MetasploitWindows TrackPopupMenu Win32k NULL Pointer Dereference2014-10-14 · exploit · rank Normal · has check
Exploit-DBMicrosoft Windows Kernel - 'win32k.sys' Local Privilege Escalation (MS14-058)2016-04-05 · local · windows
Exploit-DBMicrosoft Windows 8.0/8.1 (x64) - 'TrackPopupMenu' Local Privilege Escalation (MS14-058)2015-05-19 · local · windows_x86-64 · verified
Exploit-DBMicrosoft Windows 8.1/ Server 2012 - 'Win32k.sys' Local Privilege Escalation (MS14-058)2014-11-24 · local · windows
Exploit-DBMicrosoft Windows - TrackPopupMenu Win32k Null Pointer Dereference (MS14-058) (Metasploit)2014-10-28 · local · windows · verified

Links are to third-party code: never run it outside an isolated lab.

Timeline

2014-10-14
Metasploit module published
Windows TrackPopupMenu Win32k NULL Pointer Dereference
2014-10-15
CVE published
CVE List
2014-10-28
Exploit published on Exploit-DB
Microsoft Windows - TrackPopupMenu Win32k Null Pointer Dereference (MS14-058) (Metasploit)
2022-05-04
Added to CISA KEV
Confirmed exploitation in the wild