CVE-2026-88074

7.8High

Published 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash

7.8High

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-190

Impact

A local attacker with standard user access can elevate privileges on the system. They require local access or existing execution rights to exploit the flaw.

Root cause

An integer overflow or wraparound bug in Windows Virtualization-Based Security (VBS) Enclave corrupts memory handling.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the security update released by Microsoft for this advisory. No interim workarounds are documented.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

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

References

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

Source: nvd.nist.gov/vuln/detail/CVE-2026-88074