CVE-2026-21261

CVSS Score & Metrics

Base Score

5.5 / 10

Vector String

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

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Published Date

February 10, 2026

Last Modified

February 11, 2026

CWE ID

CWE-125

Source

NVD

Vendor

microsoft

Product

365_apps