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KEV Entry

CVE-2026-69836

Known Exploited Vulnerability Entry CISA

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Entry Details
Withdrawn Not Exploited
Withdrawn assertion. CISA no longer stands behind this claim (since 2026-08-22). The entry is kept as a tombstone so mirrors can discover the withdrawal; it is not part of the current KEV set, and it does not prove that exploitation never occurred (GCVE BCP-07).

CVE-2026-69836

2026-08-22 21:04 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 inaccordance 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 areresponsible 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; https://nvd.nist.gov/vuln/detail/CVE-2026-69836 | Withdrawn: removed from the CISA KEV catalog on 2026-08-22(still listed at the 2026-08-21 17:00 UTC import, absent from the Wayback snapshot of the catalog CSV taken 2026-08-22 21:04 UTC) after Microsoft corrected the advisory to "not exploited" (Security Update Guide revision 1.1, 2026-08-21: "Corrected Exploited to No. This vulnerability was not exploited in the wild."). Recorded on 2026-09-09.

References
  • {'id': 'CVE-2026-69836', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-69836'}

a7f4ec1c-b776-4f34-b8a2-e93a24ab0126

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-09-09 14:50 UTC

2026-09-09 15:22 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-502"
  ],
  "date_added": "2026-08-21",
  "due_date": "2026-08-24",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Entra ID ",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Entra ID Deserialization of Untrusted Data Vulnerability"
}
 -
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