CVE-2013-5054: Microsoft Office

Medium severity, CVSS 4.3. EPSS: 12.8% chance of exploitation in the next 30 days.

Microsoft Office 2013 and 2013 RT allows remote attackers to discover authentication tokens via a crafted response to a file-open request for an Office file on a web site, as exploited in the wild in 2013, aka "Token Hijacking Vulnerability."

Affected products

• Microsoft Office: version 2013 only
• Microsoft Office 2013 Rt: affected versions not specified

Published 2013-12-11. Last modified 2026-06-16.