Remote Code Execution Vulnerability in Microsoft Entra ID
CVE-2026-69836

10CRITICAL

Key Information:

Vendor

Microsoft
Status
Microsoft Entra
Vendor
CVE Published:
20 August 2026

Badges

🥇 Trended No. 1📈 Trended📈 Score: 17,100👾 Exploit Exists🟡 Public PoC📰 News Worthy

What is CVE-2026-69836?

CVE-2026-69836 is a critical remote code execution vulnerability found in Microsoft Entra ID, a cloud-based identity management platform intended to facilitate access control and authentication across various applications and services. This vulnerability arises from the deserialization of untrusted data, which means that an attacker could send specially crafted data to the system, allowing them to execute arbitrary code over a network without requiring any legitimate access. The potential for exploitation is particularly concerning for organizations utilizing Microsoft Entra ID, as it could lead to unauthorized access to sensitive information, disruption of services, and the compromise of infrastructure.

Potential impact of CVE-2026-69836

  1. Unauthorized Access and Control: The remote code execution capability allows attackers to gain unauthorized control over affected systems, potentially leading to full administrative privileges and the ability to alter configurations or access sensitive data.

  2. Data Breaches: Exploitation of this vulnerability could result in significant data breaches, exposing customer information, proprietary data, and other sensitive resources that could have severe implications for an organization’s reputation and compliance with regulations.

  3. Service Disruption: Successfully exploiting the vulnerability may also lead to service disruptions, crippling an organization’s ability to operate effectively and potentially causing a halt in business processes, which can result in financial loss.

Affected Version(s)

Microsoft Entra -

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-69836
Created by HORKimhab

News Articles

favicon imageHelp Net Security

Week in review: Records allegedly stolen from Azure tenants, Medusa ransomware hits 500+ orgs - Help Net Security

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Windows 11’s strongest security defenses can be bypassed

3 weeks ago

favicon imageEsecurity Planet

Microsoft Patches Entra ID RCE Vulnerability Exploited in Attacks  | eSecurity Planet

Microsoft patched an Entra ID RCE vulnerability exploited in attacks that required no authentication or user interaction.

3 weeks ago

favicon imageIt Security News

Critical Microsoft Entra ID vulnerability exploited in the wild (CVE-2026-69836) - IT Security News

2026-08-21 14:08 Microsoft has patched a critical remote code execution vulnerability (CVE-2026-69836) in Entra ID, reportedly exploited in the wild. Entra ID is Microsoft’s cloud identity...

3 weeks ago

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 🥇

    Vulnerability reached the number 1 worldwide trending spot

  • 📈

    Vulnerability started trending

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • 📰

    First article discovered by Cybersecuritynews

  • Vulnerability published

  • Vulnerability Reserved

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