Type Confusion in Affinity - CVE-2025-66342

 

Type Confusion in Affinity - CVE-2025-66342

Published: March 18, 2026


Vulnerability identifier: #VU124108
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-66342
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Canva
Affected software:
Affinity

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error in the EMF functionality within EMR_FRAMERGN record type. A remote attacker can trick a victim to open a specially crafted EMF file, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-66342

Install updates from vendor's website.

Sources