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PatchSiren cyber security CVE debrief

CVE-2016-7635 Apple CVE debrief

CVE-2016-7635 is a high-severity Apple WebKit memory-corruption issue disclosed publicly on 2017-02-20. According to NVD, a crafted website could let a remote attacker execute code or crash the affected application on vulnerable Apple software versions.

Vendor
Apple
Product
Unknown
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2017-02-20
Original CVE updated
2026-05-13
Advisory published
2017-02-20
Advisory updated
2026-05-13

Who should care

Organizations and users running affected Apple software should care, especially those with iOS 10.1.1 or earlier, Safari 10.0.1 or earlier, iCloud 6.0.1 or earlier, or iTunes 12.5.3 or earlier. Security teams managing Apple endpoints should prioritize verification and upgrading.

Technical summary

NVD classifies the weakness as CWE-119 and lists CVSS 3.0 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). The issue affects Apple WebKit and is reachable through web content, with the described impact being remote code execution or denial of service via memory corruption and application crash.

Defensive priority

High

Recommended defensive actions

  • Upgrade affected Apple products to versions newer than those listed as vulnerable in NVD.
  • Prioritize patching exposed Safari, iOS, iCloud, and iTunes installations used for general web browsing or internet-facing workflows.
  • Use the linked Apple vendor advisories to confirm the exact fixed releases for your platform and deployment channel.
  • Inventory Apple devices and applications to identify versions at or below the affected thresholds.
  • Treat this as a memory-corruption issue and ensure standard endpoint hardening and rapid update validation are in place.

Evidence notes

This debrief is based only on the supplied NVD record and its listed references. The corpus states affected versions for iOS, Safari, iCloud, and iTunes, identifies the WebKit component, and classifies the weakness as CWE-119. Apple advisory URLs are listed in NVD, but the advisory text was not provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2016-7635 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-7635

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

  • CVE-2016-7635 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-7635

    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.