CVE-2026-26133
HIGH EPSS 34.6%
Published Mar 16, 20263mo ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago
Description
AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Low
Availability None
Threat Intelligence
EPSS Exploit Probability
34.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-77 Command Injection Injection
Affected Products 20
| Vendor | Product | Version | Range |
|---|---|---|---|
| microsoft | 365_copilot | * | <2.107.2 |
| microsoft | 365_copilot | * | <16.0.19815.10000 |
| microsoft | edge | * | <145.3800.99 |
| microsoft | edge | * | <145.3800.99 |
| microsoft | excel | * | <2.106.2 |
| microsoft | excel | * | <16.0.19822.20038 |
| microsoft | loop | * | <2.106 |
| microsoft | onenote | * | <16.0.19725.20142 |
| microsoft | onenote | * | any |
| microsoft | outlook | * | <5.2605.0 |
| microsoft | outlook | * | <5.2605.0 |
| microsoft | outlook | * | any |
| microsoft | power_bi | * | <2.2.260210.21290750 |
| microsoft | power_bi | * | any |
| microsoft | powerpoint | * | <2.106.2 |
| microsoft | powerpoint | * | <16.0.19822.20038 |
| microsoft | teams | * | <1.0.0.2026043102 |
| microsoft | teams | * | <8.3.1 |
| microsoft | word | * | <2.106.2 |
| microsoft | word | * | <16.0.19822.20038 |
References 1
- msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26133
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.