CVE-2026-33102

CriticalCVSS 9.3/10Last modified Oct 26, 2026

Description

Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1 9.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-601

Affected software

VendorProductVersions
MicrosoftMicrosoft 365 Copilot-

References

Timeline

Published
Apr 23, 2026
Last modified
Oct 26, 2026
NVD status
Analyzed

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CVE-2026-33102: Critical severity, CVSS 9.3 | Vulnix