Jul 2026: Windows Backup Service Elevation of Privilege Vulnerability
CVE-2026-58598 Published on July 16, 2026
Windows Backup Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
Weakness Types
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2026-58598 has been classified to as a Race Condition vulnerability or weakness.
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-2026-58598 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-58598
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Affected Versions
Microsoft Windows 10 Version 21H2:- Version 10.0.19044.0 and below 10.0.19044.7548 is affected.
- Version - 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.