CVE-2023-36403

Name: CVE-2023-36403
Creator: NVD / NIST
Published: 2023-11-14T18:15:41.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2023-36403 is a high-severity vulnerability rated 7/10 on the CVSS scale. Windows Kernel Elevation of Privilege Vulnerability. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Windows Kernel Elevation of Privilege Vulnerability

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.53%

40.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-591

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1507	< 10.0.10240.20308
Microsoft	Windows 10 1607	< 10.0.14393.6452
Microsoft	Windows 10 1809	< 10.0.17763.5122
Microsoft	Windows 10 21h2	< 10.0.19041.3693
Microsoft	Windows 10 22h2	< 10.0.19045.3693
Microsoft	Windows 11 21h2	< 10.0.22000.2600
Microsoft	Windows 11 22h2	< 10.0.22621.2715
Microsoft	Windows 11 23h2	< 10.0.22631.2715
Microsoft	Windows Server 2008	r2
Microsoft	Windows Server 2008	sp2
Microsoft	Windows Server 2012	All versions
Microsoft	Windows Server 2012	r2
Microsoft	Windows Server 2016	All versions
Microsoft	Windows Server 2019	All versions
Microsoft	Windows Server 2022	All versions
Microsoft	Windows Server 2022 23h2	< 10.0.25398.531

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36403Patch, Vendor Advisory
http://packetstormsecurity.com/files/176209/Windows-Kernel-Race-Conditions.htmlThird Party Advisory, VDB Entry
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36403Patch, Vendor Advisory

Timeline

Published: Nov 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-36403?

Windows Kernel Elevation of Privilege Vulnerability

How severe is CVE-2023-36403?

CVE-2023-36403 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2023-36403?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-36403?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST