Skip to main content
No exploitation reportedFix available

CVE-2026-86974

Type Confusion Causing Memory Corruption in Apple Browsers

No exploitation reported by the sources we read.

  • Published2026-10-26
  • Fixed in27.2 · 26.7.2
  • WeaknessCWE-843

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.

Timeline

dates in UTC
  1. 2026-10-2620:40CVE publishedCNA

Versions per branch

NVD
Apple ipados
BranchAffectedFixed in
27.x≥ 27.0, < 27.227.2
26.7< 26.7.226.7.2
Apple iphone os
BranchAffectedFixed in
27.x≥ 27.0, < 27.227.2
26.7< 26.7.226.7.2
Apple macos
BranchAffectedFixed in
27.x≥ 27.0, < 27.227.2

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA4 products

As apple, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Apple Safari
    Affected
    • < 27.2fixed in 27.2custom
  • Apple iOS and iPadOS
    Affected
    • < 26.7.2fixed in 26.7.2custom
    • < 27.2fixed in 27.2custom
  • Apple macOS
    Affected
    • < 27.2fixed in 27.2custom
  • Apple visionOS
    Affected
    • < 27.2fixed in 27.2custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-10-26

Fix

  1. Update Apple ipados to 27.2 · 26.7.2

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-10-26
Last Modified
2026-11-04
NVD status
Analyzed
GitHub Advisory
GHSA-qrj5-hr42-jq83

Frequently asked questions

What is CVE-2026-86974?

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.

Is CVE-2026-86974 actively exploited?

Active exploitation of CVE-2026-86974 has not been confirmed. Its EPSS score was 0.2% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-86974?

CVE-2026-86974 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record