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Not in CISA KEV
HIGH severity

CVE-2026-96038 — Microsoft

HIGH

CVE-2026-96038 is a high-severity (CVSS 7.8) CWE-822 vulnerability. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Inclusion of functionality from untrusted control sphere in Windows Audio Service 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

Inclusion of functionality from untrusted control sphere in Windows Audio Service 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-2026-96038. Check the upstream advisory for a patched version, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Inclusion of functionality from untrusted control sphere in Windows Audio Service allows an authorized attacker to elevate privileges locally.
O3 Security · Impact-Aware SCA

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CVE-2026-96038: Microsoft (High 7.8)