FKIE_CVE-2026-20687

Vulnerability from fkie_nvd - Published: 2026-03-25 01:17 - Updated: 2026-03-25 20:07
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.
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/126795Release 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
Impacted products
Vendor Product Version
apple ipados *
apple ipados *
apple iphone_os *
apple iphone_os *
apple macos *
apple macos *
apple tvos *
apple watchos *
To clipboard 

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  "id": "CVE-2026-20687",
  "lastModified": "2026-03-25T20:07:15.087",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
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Sightings

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Nomenclature

  • 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.