CVE-2026-81387

EUVD-2026-73856
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 45.45%
Affected Products (NVD)
VendorProductVersion
microsoft365_apps
-
microsoftmicrosoft_365
-
microsoftoffice_2016
-
microsoftoffice_2019
-
microsoftoffice_2021
-
microsoftoffice_2021
-
microsoftoffice_2024
-
microsoftoffice_2024
-
microsoft365_apps
𝑥
< 2608
microsoftoffice
𝑥
< 2608
𝑥
= Vulnerable software versions