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HIGH severity

CVE-2026-95988 — Microsoft

HIGH

CVE-2026-95988 is a high-severity (CVSS 7.8) CWE-863 vulnerability. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Incorrect authorization in Windows Kernel allows an authorized attacker to elevate privileges locally.

Published
Updated
Affected
—
Patched
—
Exploits
None indexed
Exploitation data as of Nov 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs24th percentile — riskier than 24% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Description

Incorrect authorization in Windows Kernel allows an authorized attacker to elevate privileges locally.

Detection & mitigation playbook

Vulnerability

  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    The records we use list no fixed release for CVE-2026-95988. Check the upstream advisory for a patched version, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Incorrect authorization in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-95988: Microsoft (High 7.8)