vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-29336

Win32k Elevation of Privilege Vulnerability

HIGH
7.8
CVSS Score
Published: May 9, 2023 at 05:03 PM UTC
Updated: June 17, 2026 at 05:49 AM UTC
5 products affected across 1 vendorWindows Server 2016Windows Server 2012Windows 10 1607

Using Windows 10 Version 1507 by Microsoft?

Get instant alerts when new vulnerabilities affect Windows 10 Version 1507 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 41%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score41.2%

EPSS (Exploit Prediction Scoring System) estimates a 41.2% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation up to SYSTEM privileges.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
May 9, 2023
Remediation Due
May 30, 2023
1248 days overdue
Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-29336
https://nvd.nist.gov/vuln/detail/CVE-2023-29336

Description

Win32k Elevation of Privilege Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1507· Microsoft
95%
v < 10.0.10240.1992610.0.10240.0 ≤ v < 10.0.10240.1992610.0.10240.0
Affected range stops below 10.0.10240.19926, so it looks safe — our inference, not a vendor statement
Windows 10 1607· Microsoft
95%
v < 10.0.14393.592110.0.14393.0 ≤ v < 10.0.14393.592110.0.14393.0
Affected range stops below 10.0.14393.5921, so it looks safe — our inference, not a vendor statement
Windows Server 2008· Microsoft
95%
6.0.6003.0 ≤ v < 6.0.6003.220706.1.7601.0 ≤ v < 6.1.7601.265196.0.6003.06.1.7601.0r2 sp1sp2
Affected range stops below 6.0.6003.22070, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.26519, so it looks safe — our inference, not a vendor statement
Windows Server 2012· Microsoft
95%
6.2.9200.0 ≤ v < 6.2.9200.242666.3.9600.0 ≤ v < 6.3.9600.209696.2.9200.06.3.9600.0r2
Affected range stops below 6.2.9200.24266, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.20969, so it looks safe — our inference, not a vendor statement
Windows Server 2016· Microsoft
95%
10.0.14393.0 ≤ v < 10.0.14393.592110.0.14393.0
Affected range stops below 10.0.14393.5921, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29336
Exploit
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.exploit-db.com/exploits/52301
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29336

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card