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CVE-2026-96914

8.8High

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

8.8High
Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None
Impact
Full C/I/A compromise
Weakness
CWE-122, CWE-190

Impact

A local attacker with standard user privileges can escape or compromise the Virtualization-Based Security (VBS) enclave to gain elevated system privileges. They need existing local credentials or execution on the host to exploit it.

Root cause

An integer overflow or wraparound in the Windows VBS Enclave allows memory corruption across isolation boundaries.

Affected systems

Versions not listed — check the vendor advisory.

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

Fix & remediation

Install the Microsoft security update for your specific Windows version from the MSRC advisory; no workaround is documented, so patch immediately.

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

Source: nvd.nist.gov/vuln/detail/CVE-2026-96914

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