CVE-2026-69836

criticalpriority · track · 11EPSS 0.015 · 75 %ileexploit · PoCDERUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

1.53% (75th) EPSS

CVSS 10 · critical

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

fstec_bdu · cert_bund · msrc_csaf · nvd

EPSS · scored 2026-10-27

Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.110criticalAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 3.9 · impact 6

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USCWE-502USCWE-502USCWE-502US

exploits (2)

Public proof-of-concept and weaponised exploit code.

HORKimhab/CVE-2026-69836CVE-2026-69836 - Draft or TODOPoC · poc_in_github
sentinel-aidefense/CVE-2026-69836-EXPCVE-2026-69836 — Unauthenticated RCE via Entra ID deserializationPoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

Microsoft Entra IDall versionscert_bundDEcpe:/a:microsoft:entra:id
Microsoft Corp Microsoft Entra IDall versionsfstec_bduRU
Microsoft Microsoft Entra IDall versionsfixedmsrc_csafUS
microsoft entra idall versionsnvdUScpe:2.3:a:microsoft:entra_id:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2951Microsoft Azure, Entra ID und Exchange: Mehrere SchwachstellenDeutsch2026-08-20csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure, Microsoft Entra ID und Microsoft Exchange Online ausnutzen, um beliebigen Code auszuführen, Berechtigungen zu erweitern oder vertrauliche Informationen offenzulegen.
msrc_CVE-2026-69836Microsoft Entra ID Remote Code Execution Vulnerability2026-08-20csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (1)

Other names and identifiers for this entity.

BDU:2026-12045 fstec_bdu

sources

Which sources assert this record, and when.

fstec_bdu cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2026-08-20modified 2026-10-18

references (1) nvd

External citations — patches, advisories, analysis.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69836Vendor Advisory

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan