CVE-2026-41090

CRITICAL 9.3CVE-2026-41090 · Published 22/05/2026 · updated 23/07/2026

In short

CVE-2026-41090 is a CRITICAL (CVSS 9.3) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.42%, higher than 36.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

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

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41090 · Vendor Advisory

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free