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High severity7.8NVD Advisory· Published Jul 14, 2026· Updated Jul 22, 2026

CVE-2026-49173

CVE-2026-49173

Description

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Affected products

3

Microsoft/Windows Kernelllm-fuzzy
Microsoft/Windows 11 26h12 versions
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*+ 1 more
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*range: <10.0.28000.2269
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*range: <10.0.28000.2525

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49173nvdPatchVendor Advisory

News mentions

0

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