CVE-2026-69836
Known Exploited Vulnerability Entry CISA
Entry Details
Confirmed Exploited2026-08-21 00:00 UTC
Timestamps
2026-08-21
2026-08-21
Scope
Microsoft Entra ID Deserialization of Untrusted Data Vulnerability | Affected: Microsoft / Entra ID | Description: Microsoft Entra ID formerly known as Azure Active Directory contains a deserialization of untrusted data vulnerability which could allow an unauthorized attacker to execute code over a network. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-08-24 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69836 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-69836
References
- {'id': 'CVE-2026-69836', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-69836'}
05ab57ac-8af4-4fc5-b706-95502d78424d
CISA
405284c2-e461-4670-8979-7fd2c9755a60
2026-08-21 17:00 UTC
2026-08-21 17:00 UTC
Evidence
1| Type | Source | Signal | Confidence | Details | GCVE Metadata |
|---|---|---|---|---|---|
| vendor_report | cisa-kev | successful_exploitation | 0.80 |
View details
|
- |