CVE-2026-55127 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	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: 44.66%

Affected Products (NVD)

Vendor	Product	Version
microsoft	365_apps	-
microsoft	365_apps	-
microsoft	microsoft_365	-
microsoft	office_2019	-
microsoft	office_2019	-
microsoft	office_2021	-
microsoft	office_2021	-
microsoft	office_2021	-
microsoft	office_2024	-
microsoft	office_2024	-
microsoft	office_2024	-
microsoft	office_online_server	𝑥 < 16.0.10417.20175
microsoft	sharepoint_server	𝑥 < 16.0.19725.20434
microsoft	365_apps	𝑥 < 2606
microsoft	office	𝑥 < 2606

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-122 - Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55127