CVE-2026-24301: high-severity vulnerability in Microsoft Copilot Web
Microsoft Copilot Information Disclosure Vulnerability
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.8epss 4.1%
from disclosure to weapon2 days
Published on NVDAug 18
1st PoC+2d
exploitation probability
4.1%top 9% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Copilot Webpublic PoCs found — 1
githubgithub.com/CSOAI-ORG/memory-poisoning-axis★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.