A type confusion vulnerability exists in the EMF functionality of Canva Affinity. A specially crafted EMF file can trigger this vulnerability, which can lead to memory corruption and result in arbitrary code execution.
CVE-2025-66342
HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-03-17. a secondary CVSS source baseline 7.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 7.8Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EG Risk
- 40(Track)EG Risk 40/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity78% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
March 17, 2026
Last Modified
June 17, 2026
References (3)
- talos-cna@ciscohttps://talosintelligence.com/vulnerability_reports/TALOS-2025-2297
- talos-cna@ciscohttps://trust.canva.com/?tcuUid=1f728b0d-17f3-4c9c-97e9-6662b769eb62
- af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2297
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 2× in last 7d / 2× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-27 14:41 UTCEG score recompute
- 2026-07-27 14:41 UTCGHSA enrichment
Related CVEs(same CWE)
Same CWE
10 shownCWE-843
- CVE-2010-2299EG 10.0HIGH
- CVE-2016-1000005EG 9.8CRITICAL
- CVE-2018-4920NVD 8.8EG 9.8EPSS p94CRITICAL
- CVE-2016-6992NVD 8.8EG 9.8EPSS p93CRITICAL
- CVE-2012-0507EG 9.8 KEVEPSS p100CRITICAL
- CVE-2012-0752EG 9.3EPSS p95HIGH
- CVE-2017-5070NVD 8.8EG 9.0 KEVEPSS p98CRITICAL
- CVE-2017-11292NVD 8.8EG 9.0 KEVEPSS p96CRITICAL
- CVE-2017-8291NVD 7.8EG 9.0 KEVEPSS p100CRITICAL
- CVE-2017-0037NVD 8.1EG 9.0 KEVEPSS p100CRITICAL
Frequently asked(4)
What is CVE-2025-66342?
CVE-2025-66342 is a high vulnerability published on March 17, 2026. A type confusion vulnerability exists in the EMF functionality of Canva Affinity. A specially crafted EMF file can trigger this vulnerability, which can lead to memory corruption and result in arbitrary code execution.
When was CVE-2025-66342 disclosed?
CVE-2025-66342 was first published in the National Vulnerability Database on March 17, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2025-66342?
CVE-2025-66342 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2025-66342?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-66342, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-66342
Is Your Infrastructure Affected by CVE-2025-66342?
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