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9.8
CRITICAL CVSS 3.1
CVE-2026-119990
Azure OpenAI Elevation of Privilege Vulnerability
Overview
Description

Missing authentication for critical function in Azure OpenAI allows an unauthorized attacker to elevate privileges over a network.

Details
INFO

Published Date :

Nov. 10, 2026, 7:20 p.m.

Last Modified :

Nov. 11, 2026, 5:19 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2026-119990 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft azure_open-ai
: Total Affected Vendor : 1 | Products : 1
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL [email protected]
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-119990.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119990
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-119990 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-119990 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-119990 vulnerability anywhere in the article.

  • The Hacker News
Microsoft Patches 1,259 Flaws, Including Exploited Outlook Bug That May Expose NTLMv2 Hashes

Microsoft on Tuesday released patches for a total of 1,259 vulnerabilities spanning its software portfolio, the second consecutive month where the patch volume has exceeded 1,000 flaws. These cover 72 ... Read more

Published Date: Nov 11, 2026 (3 hours, 12 minutes ago)
  • CrowdStrike.com
November 2026 Patch Tuesday: 1,252 CVEs Include One Zero-Day and 68 Critical Vulnerabilities

Microsoft addressed 1,252 vulnerabilities in its November 2026 security update release, including one exploited zero-day vulnerability and 68 Critical vulnerabilities. This month's leading risk types ... Read more

Published Date: Nov 11, 2026 (8 hours, 50 minutes ago)
  • TheCyberThrone
Microsoft Patch Tuesday – November 2026

November 10, 2026 | TheCyberThrone | Vulnerability IntelligenceStudy SecurityMicrosoft’s November Patch Tuesday brings another month of heavy  security remediation. But this time, the headline is not ... Read more

Published Date: Nov 11, 2026 (8 hours, 58 minutes ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-119990 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Nov. 11, 2026

    Action Type Old Value New Value
    Removed SSVC {'id': 'CVE-2026-119990', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-11-10T18:50:17.236504Z'}
    Added SSVC {'id': 'CVE-2026-119990', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-11-05T00:00:00+00:00'}
  • CVE Modified by [email protected]

    Nov. 10, 2026

    Action Type Old Value New Value
    Added Tag exclusively-hosted-service
  • New CVE Received by [email protected]

    Nov. 10, 2026

    Action Type Old Value New Value
    Added Description Missing authentication for critical function in Azure OpenAI allows an unauthorized attacker to elevate privileges over a network.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-306
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/119xxx/CVE-2026-119990.json">CVE-2026-119990</a>
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119990
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Nov. 10, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-119990', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-11-10T18:50:17.236504Z'}
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact