CVE-2026-42826 Azure DevOps Information Disclosure Vulnerability

Critical 10.0 Published Updated

An unauthorized attacker can disclose sensitive information over the network in Azure DevOps, requiring a patch to mitigate.

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-2026-42826?

CVE-2026-42826 is a critical vulnerability in Microsoft Azure DevOps, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose information over a network.

Weakness: CWE-200

Which versions are affected by CVE-2026-42826?

It affects 1 product.

Products include Microsoft Azure Devops.

How do I fix CVE-2026-42826?

No fix has been published for CVE-2026-42826 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-42826 being exploited?

There is no known exploitation of CVE-2026-42826 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-gmwx-3xm2-9fx8.

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