CVE-2026-44822

EUVD-2026-35537
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
Affected Products (NVD)
VendorProductVersion
microsoft365_apps
-
microsoft365_apps
-
microsoftmicrosoft_365
-
microsoftoffice_2019
-
microsoftoffice_2019
-
microsoftoffice_2021
-
microsoftoffice_2021
-
microsoftoffice_2021
-
microsoftoffice_2024
-
microsoftoffice_2024
-
microsoftoffice_2024
-
microsoftoffice_online_server
-
microsoft365_apps
𝑥
< 2605
microsoftoffice
𝑥
< 2605
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44822