CVE-2026-33828

highCVSS 7.8covered by 1 sourcefirst seen 2026-06-09

Trust boundary violation in Windows Attestation allows an authorized attacker to elevate privileges locally.

CSIRTS triage

What: A trust boundary violation allows local privilege elevation.
Who is affected: Users of Windows with Device Health Attestation enabled.
Urgency: Remediation is high urgency due to the high severity of the vulnerability.
Action: Apply the security update for Windows DHA.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all EPSS-scored CVEs.

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