CVE-2026-75689

CRITICAL CVSS 3.1: 9.3 EPSS 0.30%
Updated Sep 26, 2026
Microsoft
Parameter Value
CVSS 9.3 (CRITICAL)
Affected Versions before 4.5
Fixed In 12.12
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Microsoft
Public PoC No

Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. 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