CVE-2026-26133 (GCVE-0-2026-26133)

Vulnerability from cvelistv5 – Published: 2026-03-13 21:10 – Updated: 2026-03-16 14:24
VLAI?
Title
M365 Copilot Information Disclosure Vulnerability
Summary
AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.
Severity ?
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C
CWE
  • Information Disclosure
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Copilot for Android Affected: 1.0 , < 16.0.19815.10000 (custom)
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    Microsoft Microsoft 365 Copilot for iOS Affected: 1.0 , < 2.107.2 (custom)
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    Microsoft Microsoft Edge for Android Affected: 1.0.0 , < 145.3800.99 (custom)
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    Microsoft Microsoft Edge for iOS Affected: 1.0.0.0 , < 145.3800.99 (custom)
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    Microsoft Microsoft Excel for Android Affected: 16.0.0.0 , < 16.0.19822.20038 (custom)
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    Microsoft Microsoft Excel for iOS Affected: 1.0 , < 2.106.26020617 (custom)
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    Microsoft Microsoft Loop for iOS Affected: 2.0.0 , < 2.106.26020617 (custom)
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    Microsoft Microsoft OneNote Affected: 1.0.0 , < 2.106.26020617 (custom)
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    Microsoft Microsoft OneNote for Android Affected: 16.0.1 , < 16.0.19725.20142 (custom)
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    Microsoft Microsoft Outlook for Android Affected: 1.0 , < 5.2605 (custom)
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    Microsoft Microsoft Outlook for iOS Affected: 1.0.0 , < 5.2605 (custom)
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    Microsoft Microsoft Outlook for Mac Affected: 1.0.0 , < 5.2605 (custom)
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    Microsoft Microsoft PowerBI for Android Affected: 2.0.0 , < 2.2.260210.21290750 (custom)
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    Microsoft Microsoft PowerBI for iOS Affected: 1.0.0 , < 1.2.260302.2193910 (custom)
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    Microsoft Microsoft PowerPoint for Android Affected: 16.0.0.0 , < 16.0.19822.20038 (custom)
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    Microsoft Microsoft PowerPoint for iOS Affected: 1.0 , < 2.106.26020617 (custom)
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    Microsoft Microsoft Teams for Android Affected: 1.0.0 , < 1.0.0.2026043102 (custom)
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    Microsoft Microsoft Teams for iOS Affected: 2.0.0 , < 8.3.1 (custom)
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    Microsoft Microsoft Word for Android Affected: 16.0.0.0 , < 16.0.19822.20038 (custom)
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    Microsoft Microsoft Word for iOS Affected: 2.0.0 , < 2.106.26020617 (custom)
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Date Public ?
2026-03-12 14:00
Show details on NVD website
To clipboard 

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\"cpe:2.3:a:microsoft:outlook_2016:*:*:*:*:*:android:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.2605\", \"versionStartIncluding\": \"1.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:365_copilot_iOS:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.107.2\", \"versionStartIncluding\": \"1.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"145.3800.99\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"8.3.1\", \"versionStartIncluding\": \"2.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:teams:*:*:*:*:*:android:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"1.0.0.2026043102\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:excel:*:*:*:*:*:android:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"16.0.19822.20038\", \"versionStartIncluding\": \"16.0.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:word:*:*:*:*:*:android:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"16.0.19822.20038\", \"versionStartIncluding\": \"16.0.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:powerpoint:*:*:iOS:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.106.26020617\", \"versionStartIncluding\": \"1.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:word:*:*:iOS:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.106.26020617\", \"versionStartIncluding\": \"2.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:loop:*:*:iOS:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.106.26020617\", \"versionStartIncluding\": \"2.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:outlook:*:*:*:*:*:iphone_os:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.2605\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:365_copilot_Android:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"16.0.19815.10000\", \"versionStartIncluding\": \"1.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:power_bi_android:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.2.260210.21290750\", \"versionStartIncluding\": \"2.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:power_bi_iOS:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"1.2.260302.2193910\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:onenote_for_android:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"16.0.19725.20142\", \"versionStartIncluding\": \"16.0.1\"}, {\"criteria\": \"cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"145.3800.99\", \"versionStartIncluding\": \"1.0.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:android:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"16.0.19822.20038\", \"versionStartIncluding\": \"16.0.0.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:excel:*:*:iOS:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.106.26020617\", \"versionStartIncluding\": \"1.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2026-03-13T22:25:36.382Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-26133\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-16T14:24:30.194Z\", \"dateReserved\": \"2026-02-11T16:24:51.133Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-03-13T21:10:13.535Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.