Is CVE-2026-33102 actively exploited?

CVE-2026-33102 has no public evidence of in-the-wild exploitation as of 2026-04-24.

What is the CVSS score for CVE-2026-33102?

CVE-2026-33102 has a CVSS score of 9.3 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Patch guidance is available from Microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-33102.

1 product: Microsoft Awaiting Analysis.

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

Primary Vendor: MICROSOFT
Published: 4/23/2026
Last Modified: 4/24/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.