CVE-2026-24301CWE-77command-injection

CVE-2026-24301

High · published August 18, 2026

CVSS v3.1
8.8
EPSS
4%
Percentile
90.7
In the wild
Unconfirmed
What it is

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04094 · 90.7th percentile
Weakness
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-18T18:17Z
Affected products (1)
ProductVersionsFixed in
microsoft/copilotall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24301 · [email protected]
EPSS history
Timeline
  • 18 AUG 13:19Z
    Microsoft Copilot Information Disclosure Vulnerability
    cvelistv5