CVE-2026-26164

Published: Mag 08, 2026 Last Modified: Mag 08, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

Improper neutralization of special elements in output used by a downstream component ('injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0007
Percentile
0,2th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Access Control Other Integrity Non-Repudiation
Potential Impacts:
Read Application Data Bypass Protection Mechanism Alter Execution Logic Other Hide Activities
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
Application

365 Copilot Chat by Microsoft

Product Information
Vendor Microsoft
Product 365 Copilot Chat
Version -
cpe:2.3:a:microsoft:365_copilot_chat:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2…
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26164