CVE-2026-69836

CRITICALCVSS 10/10Actively ExploitedEPSS 1.37%

Last modified

CVE-2026-69836 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

Description

Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1
10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
1.37%

69.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft EntraAll versions

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-69836?
Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-69836?
CVE-2026-69836 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2026-69836?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST