CVE-2026-69836
CVE-2026-69836 is a critical-severity vulnerability in Microsoft Entra Id with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.
Key facts
- Severity: Critical (CVSS 3.x base score 10.0)
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-502
- Affected product: Microsoft Entra Id
- Published:
- Last modified:
Description
Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.
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.
- How severe is CVE-2026-69836?
- CVE-2026-69836 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-69836 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-69836?
- CVE-2026-69836 affects Microsoft Entra Id. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-69836?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2026-69836 published?
- CVE-2026-69836 was published on 2026-08-20 and last updated on 2026-08-25.
References
Affected products (1)
- cpe:2.3:a:microsoft:entra_id:-:*:*:*:*:*:*:*
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