Description

Improper input validation in Microsoft Office Word allows an unauthorized attacker to bypass a security feature over a network.

Classification

CVE ID: CVE-2025-29816

CVSS Base Severity: HIGH

CVSS Base Score: 7.5

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

Vendor: Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft, Microsoft

Product: Microsoft Office 2019, Microsoft 365 Apps for Enterprise, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024, Microsoft Office LTSC for Mac 2024, Microsoft Office 2016, Microsoft Word 2016

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 3.54% (scored less or equal to compared to others)

EPSS Date: 2025-05-07 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-29816
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29816

Timeline