High severity7.0NVD Advisory· Published Jul 16, 2026· Updated Jul 22, 2026

CVE-2026-58598

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.

Affected products

Microsoft/Windows 10 16072 versions
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.7548
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.7548
Microsoft/Windows 11 24h2
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
Range: <10.0.26100.8875
Microsoft/Windows 11 25h2
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
Range: <10.0.26200.8875
Microsoft/Windows 11 26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:*:*
Range: <10.0.28000.2525
Microsoft/Windows Backup Enginellm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58598nvdPatchVendor Advisory

News mentions

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