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CVE-2026-43740

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may result in the disclosure of process memory.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:32a3838feedef9330604a8014b4dc5d21c51bf906869f8be30b346c83ef4cfee
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"product":"watchOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/5

{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/3

{"product":"Safari","vendor":"Apple","versions":[{"lessThan":"26.5.2","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/0

{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"26.5.2","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/1

{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/4

{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"26.5.2","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/2
cwe · 3 assertions

{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/adp/0/problemTypes/1/descriptions/0

{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"Processing maliciously crafted web content may result in the disclosure of process memory","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

6 source assertions
{"product":"watchOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/5
{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/3
{"product":"Safari","vendor":"Apple","versions":[{"lessThan":"26.5.2","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/0
{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"26.5.2","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/1
{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/4
{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"26.5.2","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/affected/2

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/adp/0/problemTypes/1/descriptions/0
{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"Processing maliciously crafted web content may result in the disclosure of process memory","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"url":"https://support.apple.com/en-us/127594"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/references/0
{"url":"https://support.apple.com/en-us/127595"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/references/1
{"url":"https://support.apple.com/en-us/127685"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/references/2
{"url":"https://support.apple.com/en-us/128068"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/references/3
{"url":"https://support.apple.com/en-us/128069"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/references/4
{"url":"https://support.apple.com/en-us/128070"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:161ee0df46d9424f6f5fe3e9d917067349e26441993690c161b09d5295f98155 · sha256:e6edfa74fc9da4de… · /containers/cna/references/5

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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