CVE-2026-26133
M365 Copilot Information Disclosure Vulnerability
Description
AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.
INFO
Published Date :
March 16, 2026, 2:18 p.m.
Last Modified :
June 17, 2026, 10:25 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-26133
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | f38d906d-7342-40ea-92c1-6c4a2c6478c8 | ||||
| CVSS 3.1 | HIGH | [email protected] |
Public PoC/Exploit Available at Github
CVE-2026-26133 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2026-26133.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26133 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26133 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-2026-26133
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).
A practitioner-focused reference for AI/ML security — attacks, tools, research, and defenses. Covers offensive AI, securing AI systems, AI-assisted security operations, and governance.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26133 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-26133 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 [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Microsoft', 'product': 'Microsoft 365 Copilot for Android', 'versions': [{'status': 'affected', 'version': '1.0', 'lessThan': '16.0.19815.10000', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft 365 Copilot for iOS', 'versions': [{'status': 'affected', 'version': '1.0', 'lessThan': '2.107.2', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Edge for Android', 'versions': [{'status': 'affected', 'version': '1.0.0', 'lessThan': '145.3800.99', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Edge for iOS', 'versions': [{'status': 'affected', 'version': '1.0.0.0', 'lessThan': '145.3800.99', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Excel for Android', 'versions': [{'status': 'affected', 'version': '16.0.0.0', 'lessThan': '16.0.19822.20038', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Excel for iOS', 'versions': [{'status': 'affected', 'version': '1.0', 'lessThan': '2.106.26020617', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Loop for iOS', 'versions': [{'status': 'affected', 'version': '2.0.0', 'lessThan': '2.106.26020617', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft OneNote', 'versions': [{'status': 'affected', 'version': '1.0.0', 'lessThan': '2.106.26020617', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft OneNote for Android', 'versions': [{'status': 'affected', 'version': '16.0.1', 'lessThan': '16.0.19725.20142', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Outlook for Android', 'versions': [{'status': 'affected', 'version': '1.0', 'lessThan': '5.2605', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Outlook for iOS', 'versions': [{'status': 'affected', 'version': '1.0.0', 'lessThan': '5.2605', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Outlook for Mac', 'versions': [{'status': 'affected', 'version': '1.0.0', 'lessThan': '5.2605', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft PowerBI for Android', 'versions': [{'status': 'affected', 'version': '2.0.0', 'lessThan': '2.2.260210.21290750', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft PowerBI for iOS', 'versions': [{'status': 'affected', 'version': '1.0.0', 'lessThan': '1.2.260302.2193910', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft PowerPoint for Android', 'versions': [{'status': 'affected', 'version': '16.0.0.0', 'lessThan': '16.0.19822.20038', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft PowerPoint for iOS', 'versions': [{'status': 'affected', 'version': '1.0', 'lessThan': '2.106.26020617', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Teams for Android', 'versions': [{'status': 'affected', 'version': '1.0.0', 'lessThan': '1.0.0.2026043102', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Teams for iOS', 'versions': [{'status': 'affected', 'version': '2.0.0', 'lessThan': '8.3.1', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Word for Android', 'versions': [{'status': 'affected', 'version': '16.0.0.0', 'lessThan': '16.0.19822.20038', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Word for iOS', 'versions': [{'status': 'affected', 'version': '2.0.0', 'lessThan': '2.106.26020617', 'versionType': 'custom'}]}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-26133', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-03-16T14:24:19.473896Z'} -
CVE Modified by [email protected]
Apr. 09, 2026
Action Type Old Value New Value Added CWE CWE-77 -
Reanalysis by [email protected]
Apr. 07, 2026
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:microsoft:outlook:-:*:*:*:*:macos:*:* *cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19815.10000 *cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 145.3800.99 *cpe:2.3:a:microsoft:excel:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:onenote:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19725.20142 *cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:teams:*:*:*:*:*:android:*:* versions up to (excluding) 1.0.0.2026043102 *cpe:2.3:a:microsoft:word:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.107.2 *cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:* versions up to (excluding) 145.3800.99 *cpe:2.3:a:microsoft:excel:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 *cpe:2.3:a:microsoft:loop:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106 *cpe:2.3:a:microsoft:outlook:*:*:*:*:*:android:*:* versions up to (excluding) 5.2605.0 *cpe:2.3:a:microsoft:outlook:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 5.2605.0 *cpe:2.3:a:microsoft:onenote:-:*:*:*:*:iphone_os:*:* *cpe:2.3:a:microsoft:powerbi:-:*:*:*:*:iphone_os:*:* *cpe:2.3:a:microsoft:power_bi:*:*:*:*:*:android:*:* versions up to (excluding) 2.2.260210.21290750 *cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 *cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 8.3.1 *cpe:2.3:a:microsoft:word:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 OR *cpe:2.3:a:microsoft:outlook:-:*:*:*:*:macos:*:* *cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19815.10000 *cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 145.3800.99 *cpe:2.3:a:microsoft:excel:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:onenote:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19725.20142 *cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:teams:*:*:*:*:*:android:*:* versions up to (excluding) 1.0.0.2026043102 *cpe:2.3:a:microsoft:word:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.107.2 *cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:* versions up to (excluding) 145.3800.99 *cpe:2.3:a:microsoft:excel:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 *cpe:2.3:a:microsoft:loop:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106 *cpe:2.3:a:microsoft:outlook:*:*:*:*:*:android:*:* versions up to (excluding) 5.2605.0 *cpe:2.3:a:microsoft:outlook:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 5.2605.0 *cpe:2.3:a:microsoft:onenote:-:*:*:*:*:iphone_os:*:* *cpe:2.3:a:microsoft:power_bi:*:*:*:*:*:android:*:* versions up to (excluding) 2.2.260210.21290750 *cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 *cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 8.3.1 *cpe:2.3:a:microsoft:word:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 *cpe:2.3:a:microsoft:power_bi:-:*:*:*:*:iphone_os:*:* -
Initial Analysis by [email protected]
Apr. 07, 2026
Action Type Old Value New Value Added CWE CWE-77 Added CPE Configuration OR *cpe:2.3:a:microsoft:outlook:-:*:*:*:*:macos:*:* *cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19815.10000 *cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 145.3800.99 *cpe:2.3:a:microsoft:excel:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:onenote:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19725.20142 *cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:teams:*:*:*:*:*:android:*:* versions up to (excluding) 1.0.0.2026043102 *cpe:2.3:a:microsoft:word:*:*:*:*:*:android:*:* versions up to (excluding) 16.0.19822.20038 *cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.107.2 *cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:* versions up to (excluding) 145.3800.99 *cpe:2.3:a:microsoft:excel:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 *cpe:2.3:a:microsoft:loop:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106 *cpe:2.3:a:microsoft:outlook:*:*:*:*:*:android:*:* versions up to (excluding) 5.2605.0 *cpe:2.3:a:microsoft:outlook:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 5.2605.0 *cpe:2.3:a:microsoft:onenote:-:*:*:*:*:iphone_os:*:* *cpe:2.3:a:microsoft:powerbi:-:*:*:*:*:iphone_os:*:* *cpe:2.3:a:microsoft:power_bi:*:*:*:*:*:android:*:* versions up to (excluding) 2.2.260210.21290750 *cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 *cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 8.3.1 *cpe:2.3:a:microsoft:word:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 2.106.2 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26133 Types: Vendor Advisory -
New CVE Received by [email protected]
Mar. 16, 2026
Action Type Old Value New Value Added Description AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26133