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CVE-2026-96394

Status: Awaiting AnalysisLow (2.9)—

The Affinity by Canva application for macOS before 3.3.1 (October 2026 release) did not validate image dimensions against the size of the pixel data when generating QuickLook thumbnails and previews of Affinity document files, leading to an out-of-bounds heap read. A threat actor could craft an Affinity document that, when displayed or previewed by a user in Finder, could disclose the contents of adjacent heap memory in the rendered thumbnail or preview image, or cause the thumbnail or preview extension to crash.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Inferred by deterministic rules from the CVSS vector and CWE. Indicative only.

🛡️ ATT&CK mitigations that cover these techniques

Threat Intelligence ProgramExecution PreventionApplication Isolation and SandboxingExploit ProtectionUpdate Software

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Canva — AffinityAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-96394",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-96394",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-09T16:15:36.083423Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 2.9,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.4
      }
    ]
  },
  "affected": [
    {
      "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6",
      "affectedData": [
        {
          "vendor": "canva",
          "product": "affinity",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "3.3.1",
              "versionType": "semver"
            }
          ],
          "platforms": [
            "MacOS"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-09T13:17:12.793",
  "references": [
    {
      "url": "https://trust.canva.com?tcuUid=1998378a-9134-47e9-b761-7a49d5fd6bfb",
      "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6",
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Affinity by Canva application for macOS before 3.3.1 (October 2026 release) did not validate image dimensions against the size of the pixel data when generating QuickLook thumbnails and previews of Affinity document files, leading to an out-of-bounds heap read. A threat actor could craft an Affinity document that, when displayed or previewed by a user in Finder, could disclose the contents of adjacent heap memory in the rendered thumbnail or preview image, or cause the thumbnail or preview extension to crash."
    }
  ],
  "lastModified": "2026-10-09T17:16:51.197",
  "sourceIdentifier": "61adb53e-e4b3-47f7-8a93-4717c9e77dc6"
}