Type Confusion in Affinity - CVE-2025-66342
Published: March 18, 2026
Vulnerability identifier: #VU124108
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2025-66342
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Affinity
How to mitigate CVE-2025-66342
Install updates from vendor's website.
Affinity - update to 3.1.0