FKIE_CVE-2026-20665

Vulnerability from fkie_nvd - Published: 2026-03-25 01:17 - Updated: 2026-03-25 21:54
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Summary
This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
References
product-security@apple.comhttps://support.apple.com/en-us/126792Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126793Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126794Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126797Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126798Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126799Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/126800Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
apple safari *
apple ipados *
apple ipados *
apple iphone_os *
apple iphone_os *
apple macos *
apple tvos *
apple visionos *
apple watchos *
To clipboard 

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          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced."
    }
  ],
  "id": "CVE-2026-20665",
  "lastModified": "2026-03-25T21:54:07.070",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "version": "3.1"
        },
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        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
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  },
  "published": "2026-03-25T01:17:05.050",
  "references": [
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      "source": "product-security@apple.com",
      "tags": [
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        "Vendor Advisory"
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  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "value": "CWE-693"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.