CVE-2026-33828: Windows Device Health Attestation (DHA) Elevation of Privilege Vulnerability
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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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33828
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-338280.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-33828 | coverage & exploitation status | NVD · CVE.org |
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