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CVE-2022-22736

Status: ModifiedHigh (7)—

If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>*This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.*. This vulnerability affects Firefox < 96.

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).

Affected technologies (1)

Mozilla — Firefox

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2022-22736",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-22736",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-16T15:12:07.814763Z"
        }
      }
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    "cvssMetricV31": [
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  "published": "2022-12-22T20:15:14.153",
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    {
      "lang": "en",
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    },
    {
      "lang": "es",
      "value": "Si Firefox se instaló en un directorio escribible, podría producirse una escalada de privilegios locales cuando Firefox busque librerías del sistema en el directorio actual. Sin embargo, el directorio de instalación no es escribible de forma predeterminada.<br>*Este error sólo afecta a Firefox para Windows en una instalación no predeterminada. Otros sistemas operativos no se ven afectados.*. Esta vulnerabilidad afecta a Firefox &lt; 96."
    }
  ],
  "lastModified": "2026-06-17T04:28:55.213",
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  "sourceIdentifier": "security@mozilla.org"
}