MediumVulnerability
CVE-2026-26136: Microsoft Copilot command injection allows unauthorized information disclosure
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2026-26136
- Published
- Record updated
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 0.7%
Summary
CVE-2026-26136 is a command injection weakness (CWE-77) in Microsoft Copilot, reported by Microsoft Corporation. The source describes it as an improper neutralization of special elements used in a command, which allows an unauthorized attacker to disclose information over a network. The NVD has not yet provided an assessment, and the record was published and last modified on 03/19/2026.
Mitigation
The source does not state a fix yet. Check the original advisory for updates.
Topics
Related items
- HighCVE-2026-108456 Azure AI Foundry Elevation of Privilege VulnerabilitySame vendor · MSRC Security Update Guide
- HighGHSA-h4xc-3qfq-jf93: Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): a website visited by the developer can trigger agent runs and server-side tool execution on the local chat endpointSame vendor · GitHub Advisory Database
- LowGHSA-6gw6-rv2g-25mg: Kiota: Unsafe oauth_card_path references in Kiota-generated API plugin manifestsSame vendor · GitHub Advisory Database
- MediumCVE-2026-89278: GPTranslate WordPress plugin exposes plaintext API key to unauthenticated usersSame vendor · NVD/CVE Database
- HighCVE-2026-85887: M365 Copilot incorrect permission assignment allows information disclosureSame vendor · NVD/CVE Database