CVE-2026-69454 Microsoft Azure Attestation service and Device Health Attestation Service Information Disclosure Vulnerability
An out-of-bounds read in Azure Attestation allows unauthorized attackers to disclose information over the network.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-69454?
CVE-2026-69454 is a high-severity vulnerability in Microsoft Windows Server 2019, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-125
Which versions are affected by CVE-2026-69454?
How do I fix CVE-2026-69454?
No fix has been published for CVE-2026-69454 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-69454 being exploited?
There is no known exploitation of CVE-2026-69454 in the wild and no public exploit code.
Sources
Also known as GHSA-fpqx-f7w2-3g5f.