CVE-2026-28955HIGH 8.8EPSS p43.6%

CVE-2026-28955CVE-2026-28955

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.59% probability of exploitation · percentile 43.6% · 2026-06-18T12:00:27Z
Published2026-05-11
Last modified2026-05-22

Underlying weaknesses· 1

CWE-119

References

  1. https://support.apple.com/en-us/127110
  2. https://support.apple.com/en-us/127111
  3. https://support.apple.com/en-us/127115
  4. https://support.apple.com/en-us/127118
  5. https://support.apple.com/en-us/127119
  6. https://support.apple.com/en-us/127120
  7. https://support.apple.com/en-us/127121
  8. https://www.zerodayinitiative.com/advisories/ZDI-26-312/

1

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2026-28847
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CVE-2026-28947
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CVE-2025-43343
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CVE-2025-24223
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CVE-2025-24264
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CVE-2025-43342
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.