CVSS v3
10
CRITICAL
EPSS Score
1.4 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.
CISA Known Exploited Vulnerability
- Date Added
- 2026-08-21
- Patch Due Date
- 2026-08-24
- Ransomware Use
- Unknown
Technical details
- CVSS v3 Vector
- 3.1
- Published
- 2026-08-20
- Last Modified
- 2026-08-22
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.
Is CVE-2026-69836 actively exploited?
Yes. CVE-2026-69836 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-08-24.
What is the CVSS score for CVE-2026-69836?
CVE-2026-69836 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string 3.1.
Is CVE-2026-69836 affecting your environment?
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