CVE-2023-35378

Name: CVE-2023-35378
Creator: NVD / NIST
Published: 2023-08-08T18:15:12.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2023-35378 is a high-severity vulnerability rated 7/10 on the CVSS scale. Windows Projected File System Elevation of Privilege Vulnerability. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

Windows Projected File System 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

0.35%

26.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1809	< 10.0.17763.4737
Microsoft	Windows 10 21h2	< 10.0.19044.3324
Microsoft	Windows 10 22h2	< 10.0.19045.3324
Microsoft	Windows 11 21h2	< 10.0.22000.2295
Microsoft	Windows 11 22h2	< 10.0.22621.2134
Microsoft	Windows Server 2019	All versions
Microsoft	Windows Server 2022	All versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35378Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35378Patch, Vendor Advisory

Timeline

Published: Aug 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-35378?

Windows Projected File System Elevation of Privilege Vulnerability

How severe is CVE-2023-35378?

CVE-2023-35378 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-35378?

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-2023-35378?

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

Scan your code now

Source: NVD / NIST