CVE-2025-66342: Canva Affinity · Type Confusion
Affects Canva AffinitySource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 24 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| CanvaAffinity | Affected
| Fixed in– |
AI-suggested
- Avoid opening or processing EMF files from untrusted or unknown sources until a patch is available.
- Implement strict file handling policies and user training to recognize and avoid suspicious files, especially EMF formats.
- Use endpoint protection solutions with advanced behavior monitoring and exploit mitigation capabilities to detect and block abnormal memory corruption attempts.
- Employ application whitelisting to restrict execution of unauthorized code that could result from exploitation.
- Monitor network and endpoint logs for unusual activity indicative of exploitation attempts.
- Segregate design workstations from critical network segments to limit potential lateral movement.
- Regularly back up important data and verify backup integrity to enable recovery in case of compromise.
- Once available, promptly apply vendor patches or updates addressing this vulnerability.
- Consider disabling or restricting EMF file support in Canva Affinity if feasible, or use alternative file formats with lower risk profiles.
- Coordinate with Canva support and security advisories to stay informed about updates and mitigation guidance.
Description
CVE-2025-66342 is a high-severity type confusion vulnerability in the EMF processing functionality of Canva Affinity version 3.0.1.3808. An attacker can craft a malicious EMF file that, when opened or processed by the vulnerable software, triggers memory corruption leading to arbitrary code execution. Exploitation requires local access and user interaction, but no privileges are needed. The vulnerability impacts confidentiality, integrity, and availability due to potential full system compromise. No known exploits are currently in the wild, and no patches have been released yet. Organizations using Canva Affinity for graphic design should be cautious when handling EMF files from untrusted sources. Mitigation involves restricting EMF file handling, applying vendor patches once available, and employing endpoint protection with behavior monitoring.