CVE-2026-55142

medium Microsoft
CVSS v3 Base Score
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
0.4%
Exploitation probability in 30 days
Top 69% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Published: July 14, 2026 (54 days ago)
Last Modified: July 16, 2026
Vendor: Microsoft
Source: NVD

Description

Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CWE

CWE-197

Affected Products

microsoft 365 appsmicrosoft microsoft 365microsoft office 2019microsoft office 2021microsoft office 2024microsoft sharepoint servermicrosoft word

References

🔗 msrc.microsoft.com