Improper access control in Microsoft products - CVE-2026-45649
Published: June 12, 2026
Vulnerability identifier: #VU134479
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-45649
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Word for Android
Microsoft PowerPoint for Android
Microsoft Excel for Android
Microsoft Word for Android
Microsoft PowerPoint for Android
Microsoft Excel for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in Office for Android. A remote attacker can trick a victim to open a specially crafted Office file and perform spoofing attack on the system.
How to mitigate CVE-2026-45649
Install updates from vendor's website.