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CVE-2026-20700

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8356e0fea30d15cc63936a7d2fc88aa556c7353e886efb3c8ed07e6d09e9e832
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/1

{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/0

{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/2

{"product":"watchOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/4

{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/3
cwe · 2 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:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

5 source assertions
{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/1
{"product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/0
{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/2
{"product":"watchOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/4
{"product":"visionOS","vendor":"Apple","versions":[{"lessThan":"26.3","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 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:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-119"],"dateAdded":"2026-02-12","dueDate":"2026-03-05","knownRansomwareCampaignUse":"Unknown","notes":"https://support.apple.com/en-us/126346 ; https://support.apple.com/en-us/126348 ; https://support.apple.com/en-us/126351 ; https://support.apple.com/en-us/126352 ; https://support.apple.com/en-us/126353 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20700","product":"Multiple Products","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescripti…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:00dff7f5e3f1a8fd66164af10a35b81f2e9c0c1bf12d804241ce2bd1fb308ea3 · sha256:635dff916c4092c0… · /vulnerabilities/143
    Open source location →
{"cwes":["CWE-119"],"dateAdded":"2026-02-12","dueDate":"2026-03-05","knownRansomwareCampaignUse":"Unknown","notes":"https://support.apple.com/en-us/126346 ; https://support.apple.com/en-us/126348 ; https://support.apple.com/en-us/126351 ; https://support.apple.com/en-us/126352 ; https://support.apple.com/en-us/126353 ; https://nvd.nist.gov/vuln/detail/CVE-2026-20700","product":"Multiple Products","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescripti…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:91847a78e9f97b8c994c57b94308782d1d57fe8baf85cf63a0e070f1df2b7a01 · sha256:16acee8334e59e44… · /vulnerabilities/140
    Open source location →

Source references

6 source assertions
{"url":"https://support.apple.com/en-us/126346"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/references/0
{"url":"https://support.apple.com/en-us/126348"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/references/1
{"url":"https://support.apple.com/en-us/126351"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/references/2
{"url":"https://support.apple.com/en-us/126352"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/references/3
{"url":"https://support.apple.com/en-us/126353"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/cna/references/4
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7ed1aaa6380b6fc946fd8973b7ad2d14c6d34cd41cab13002fb72ca029941f9f · sha256:d605e2694d1e0828… · /containers/adp/0/references/0

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • 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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