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PatchSiren cyber security CVE debrief

CVE-2026-65337 Apple CVE debrief

This CVE debrief is based on the supplied source corpus. The CVE record was published on 2026-08-17T22:17:24.650Z and has not been modified since then. The NVD entry is currently Modified. The vulnerability, addressed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, could lead to an unexpected Safari crash when processing maliciously crafted web content. Defenders responsible for Apple products, especially those exposed to untrusted web content, should assess the impact of this vulnerability and apply patches to affected systems.

Vendor
Apple
Product
Safari
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-17
Original CVE updated
2026-10-26
Advisory published
2026-08-17
Advisory updated
2026-10-26

Who should care

Defenders responsible for Apple products, especially those exposed to untrusted web content, should assess the impact of this vulnerability and apply patches to affected systems. This includes verifying exposure in Safari and related Apple products, assessing the impact of the vulnerability on your organization, and applying patches to affected systems.

Why it matters

Defenders should prioritize verifying exposure in Safari and related Apple products, especially those exposed to untrusted web content, and apply patches to affected systems.

  • Verify exposure in Safari and related Apple products
  • Assess the impact of the vulnerability on your organization
  • Apply patches to affected systems

Technical summary

The vulnerability, addressed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, could lead to an unexpected Safari crash when processing maliciously crafted web content. This issue was addressed through improved state management. The CVE record and NVD detail page provide information on the vulnerability, which affects various Apple products. Defenders should prioritize verifying exposure in Safari and related Apple products, especially those exposed to untrusted web content.

Defensive priority

Defenders should prioritize verifying exposure in Safari and related Apple products, especially those exposed to untrusted web content.

Recommended defensive actions

  • Verify exposure in Safari and related Apple products
  • Assess the impact of the vulnerability on your organization
  • Apply patches to affected systems
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, which is addressed through improved state management in various Apple products. The vulnerability could lead to an unexpected Safari crash when processing maliciously crafted web content. Defenders should prioritize verifying exposure in Safari and related Apple products, especially those exposed to untrusted web content.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-65337 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-65337

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-65337 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-65337

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.