CVE-2026-26164 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 21%

Affected Products (NVD)

Vendor	Product	Version
microsoft	365_copilot_chat	-

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The software constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Vulnerability Media Exposure

[GERMAN] Microsoft 365 Copilot Business Chat: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft 365 Copilot Business Chat ausnutzen, um Informationen offenzulegen.
Published: 2026-05-07T22:00:00+00:00

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26164