CVE-2026-88074: microsoft windows_11_23h2, microsoft windows_11_24h2, microsoft windows_11_25h2

CVSS 7.8 (high) · published 2026-10-13

Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Affected products (NVD): microsoft windows_11_23h2, microsoft windows_11_24h2, microsoft windows_11_25h2, microsoft windows_11_26h1, microsoft windows_11_26h2

Fixed in (NVD): 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711, 10.0.28000.3231, 10.0.26300.9711

Weakness: CWE-190

Source: NVD CVE-2026-88074

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88074

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