Vulnerability · Published Aug 20, 2026 · Assigned by microsoft
CVE-2026-69836Microsoft Entra ID Remote Code Execution Vulnerability
Critical 10.0
In plain English
A critical-severity unsafe deserialization in Microsoft Entra from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.8%top 20.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Entra | - |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Entra ID Remote Code Execution Vulnerability vendor-advisory, patch