CVE-2026-24301
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-24301 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
A remote, anonymous attacker can exploit a vulnerability in Microsoft 365 Copilot to disclose information.
CSIRTS triage
- What
- A vulnerability in Microsoft 365 Copilot allows remote unauthenticated attackers to disclose sensitive information.
- Who is affected
- Microsoft 365 Copilot deployments.
- Urgency
- High; information disclosure in Microsoft 365 may expose sensitive organizational or user data; remediate promptly.
- Action
- Apply security patches for Microsoft 365 Copilot.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk1.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 74% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-24301 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (3)
- high[NEW] [high] Microsoft 365 Copilot: Vulnerability Enables Information Disclosurecert-bund · 2026-08-19
- highCVE-2026-24301: Improper neutralization of special elements used in a command ('command injection') in Microso…nvd · 2026-08-18
- highCVE-2026-24301: Microsoft Copilot Information Disclosure Vulnerabilitymsrc · 2026-08-11
External references
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[](https://www.csirts.com/cve/CVE-2026-24301)