CVE-2026-69836 Microsoft Entra ID Remote Code Execution Vulnerability
An unauthorized attacker can execute code remotely via deserialization of untrusted data in Microsoft Entra ID.
- 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-2026-69836?
CVE-2026-69836 is a critical unsafe deserialization vulnerability in Microsoft Entra, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.
Weakness: CWE-502
Which versions are affected by CVE-2026-69836?
It affects 1 product.
Products include Microsoft Entra Id.
How do I fix CVE-2026-69836?
No fix has been published for CVE-2026-69836 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-69836 being exploited?
There is no known exploitation of CVE-2026-69836 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Entra
- CVE-2026-42901 Microsoft Entra ID Elevation of Privilege Vulnerability
- CVE-2026-35431 Microsoft Entra ID Entitlement Management Spoofing Vulnerability
- CVE-2025-55241 Azure Entra ID Elevation of Privilege Vulnerability
- CVE-2026-83941 Entra ID Elevation of Privilege Vulnerability
- CVE-2026-69851 Microsoft Entra ID Elevation of Privilege Vulnerability
Sources
Also known as GHSA-v6wh-624g-vvmv.