Jul 2026: Windows Client-Side Caching Elevation of Privilege Vulnerability
CVE-2026-58637 Published on July 14, 2026
Windows Client-Side Caching Elevation of Privilege Vulnerability
Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-58637 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-58637
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Affected Versions
Microsoft Windows 10 Version 1607:- Version 10.0.14393.0 and below 10.0.14393.9339 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9020 is affected.
- Version 10.0.19044.0 and below 10.0.19044.7548 is affected.
- Version 10.0.19045.0 and below 10.0.19045.7548 is affected.
- Version 10.0.26100.0 and below 10.0.26100.8875 is affected.
- Version 10.0.26200.0 and below 10.0.26100.8875 is affected.
- Version 10.0.28000.0 and below 10.0.28000.2525 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26226 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26226 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23291 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23291 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9339 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9339 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9020 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9020 is affected.
- Version 10.0.20348.0 and below 10.0.20348.5386 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33158 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33158 is affected.