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8.8
HIGH CVSS 3.1
CVE-2026-69676
Windows Kerberos Remote Code Execution Vulnerability
Overview
Description

Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.

Details
INFO

Published Date :

Sept. 8, 2026, 6:19 p.m.

Last Modified :

Sept. 9, 2026, 4:19 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2026-69676 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 windows_10
2 Microsoft windows_server_2012
3 Microsoft windows_server_2016
4 Microsoft windows_server_2019
5 Microsoft windows_10_1607
6 Microsoft windows_10_1809
7 Microsoft windows_10_21h2
8 Microsoft windows_10_22h2
9 Microsoft windows_server_2022
10 Microsoft windows_11
11 Microsoft windows_11_23h2
12 Microsoft windows_server_2012_r2
13 Microsoft windows_11_24h2
14 Microsoft windows_server_2025
15 Microsoft windows_11_25h2
16 Microsoft windows_11_26h1
: Total Affected Vendor : 1 | Products : 16
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 HIGH [email protected]
Solution
Install September 2026 security updates.
  • Apply September 2026 security updates.
  • Restart affected systems if required.
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-2026-69676.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69676
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-69676 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-2026-69676 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-2026-69676 vulnerability anywhere in the article.

  • CrowdStrike.com
September 2026 Patch Tuesday: Two Exploited Zero-Days and 113 Critical Vulnerabilities Among 972 CVEs

Microsoft has addressed 972 vulnerabilities in its September 2026 security update release, over double the number of CVEs released in August, and a new Patch Tuesday record. This month's patches inclu ... Read more

Published Date: Sep 09, 2026 (2 hours, 41 minutes ago)
  • TheCyberThrone
Microsoft Patch Tuesday — September 2026

When Patch Volume Becomes a Security RiskMicrosoft’s September 2026 Patch Tuesday is not an ordinary monthly  security update.Cybersecurity Trend ReportReleased on September 8, Microsoft addressed 974 ... Read more

Published Date: Sep 09, 2026 (5 hours, 50 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-2026-69676 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

    Sep. 09, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-69676', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-08T18:57:36.340211Z'} {'id': 'CVE-2026-69676', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-04T00:00:00+00:00'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 08, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-69676', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-08T18:57:36.340211Z'}
  • New CVE Received by [email protected]

    Sep. 08, 2026

    Action Type Old Value New Value
    Added Description Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-294
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/69xxx/CVE-2026-69676.json">CVE-2026-69676</a>
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69676
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: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact