CVE-2026-24301: microsoft copilot Command Injection
CVSS: 8.8v3.1HighAnalyzed
Published 18-08-2026Last modified 08-10-2026
Vulnerability summary
CVE-2026-24301 is a high (CVSS 8.8) Command Injection vulnerability in microsoft copilot. EPSS estimates a 4.09% chance of exploitation in the next 30 days, higher than 90.6% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
4.09%
0%100%
Low · +1.43 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-08-2026PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSources2 sources · 7.5–8.8
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
4.09%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
+1.43 pp
From 2.66% on 20-09-2026
20-09-202620-10-2026
EPSS score4.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft2 products
1 vendor · 2 products