Out-of-bounds read in Microsoft products - CVE-2026-45460
Published: June 15, 2026
Vulnerability identifier: #VU134499
CSH Severity: Medium
CVSS v4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45460
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Microsoft Office. A remote attacker can create a specially crafted Office file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
Affected software
Microsoft Office for Android
Microsoft 365 Apps for Enterprise
Microsoft Office
Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office
Microsoft Office LTSC
How to mitigate CVE-2026-45460
Install updates from vendor's website.