CVE-2026-58637
Windows Client-Side Caching Elevation of Privilege vulnerability
Microsoft·Windows Client-Side Caching Elevation of Privilege
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-58637
- Affected products
- Windows Client-Side Caching Elevation of Privilege · Microsoft Windows Client-Side Caching Elevation of Privilege · Microsoft
What happened
Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows Client-Side Caching Elevation of Privilege vulnerability (CVE-2026-58637) was added to Microsoft’s security update guidance. Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Sources
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