Critical severity · published Aug 20, 2026
CVE-2026-69836
Microsoft Entra ID Remote Code Execution Vulnerability
In wildKEV
10.0
CVSS
1.5%
EPSS
Yes
On KEV
Description
Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildYes
CISA KEVListed Aug 21, 2026
Federal remediation dueAug 24, 2026
Ransomware campaign useNot known
Affected products
Which versions
ME
Microsoft Entra · Microsoft
All versions, or not specified · source: vendor
EI
Entra ID · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-69836
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-69836
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69836
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