CVE-2026-45457

EUVD-2026-35540
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
Affected Products (NVD)
VendorProductVersion
microsoft365_apps
-
microsoft365_apps
-
microsoftmicrosoft_365
-
microsoftoffice_2021
-
microsoftoffice_2024
-
microsoft365_apps
𝑥
< 2605
microsoftoffice
𝑥
< 2605
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45457