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CVE-2026-64693 Apple CVE debrief

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted image may lead to a denial-of-service attack. The issue is related to image processing and can be triggered by a malicious image. Administrators and users should apply patches from Apple for affected products and restrict image processing to trusted sources.

Vendor
Apple
Product
iOS and iPadOS
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-27
Original CVE updated
2026-08-17
Advisory published
2026-07-27
Advisory updated
2026-08-17

Who should care

Administrators and users of Apple products, especially those using iOS, iPadOS, macOS, tvOS, visionOS, and watchOS, should be aware of this vulnerability and take necessary precautions. This includes applying patches from Apple for affected products, restricting image processing to trusted sources, and monitoring systems for unusual activity. Additionally, security teams should review the official advisories for more information on the vulnerability and mitigation strategies.

Technical summary

A type confusion issue was addressed with improved checks in various Apple products, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Processing a maliciously crafted image may lead to a denial-of-service attack. The issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Defenders should focus on restricting image processing to trusted sources and monitoring systems for unusual activity.

Defensive priority

Medium priority due to potential for denial-of-service attacks

Recommended defensive actions

  • Apply patches from Apple for affected products
  • Restrict image processing to trusted sources
  • Monitor systems for unusual activity
  • 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 entry provide details on the type confusion issue and affected products. However, further analysis is needed to fully understand the vulnerability's impact. The issue is addressed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Administrators should verify the patch status of these products. Additionally, defenders should review the official advisories for more information on the vulnerability and mitigation strategies.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-64693 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-64693

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

  • CVE-2026-64693 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-64693

    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.