CVE-2026-75686

CRITICAL CVSS 3.1: 9.3 EPSS 1.05%
Updated Sep 25, 2026
Microsoft
Parameter Value
CVSS 9.3 (CRITICAL)
Affected Versions before 4.5
Fixed In 12.12
Type CWE-20 (Improper Input Validation)
Vendor Microsoft
Public PoC No

Adobe Connect is affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.

Scope is changed.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Adobe Connect
cpe:2.3:a:adobe:connect:*:*:*:*:*:-:*:*
— 12.12
Apple Macos
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
— —
Microsoft Windows
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
— —
Adobe Connect_For_Mobile
cpe:2.3:a:adobe:connect_for_mobile:*:*:*:*:*:android:*:*
— 4.5