CVE-2026-45649

CVE-2026-45649

Improper access control in Office for Android allows an unauthorized attacker to perform spoofing locally.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

secure@microsoft.com

Frequently asked questions

What is CVE-2026-45649?: CVE-2026-45649 is a high-severity vulnerability, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-06-09.
How severe is CVE-2026-45649?: High severity. CVSS v3 base score is 7.1 out of 10.