RCE in Microsoft Copilot
CVE-2026-24301
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.041 (90.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.041 · change: +0.019
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Microsoft Copilot Information Disclosure Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-24301?
- CVE-2026-24301 is a high-severity vulnerability in Microsoft Copilot, classified under Command Injection. CVSS score: 8.8/10. Published 2026-08-18.
- How severe is CVE-2026-24301?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-24301 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.