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No exploitation reportedAwaiting NVD analysis

CVE-2026-86986

Use‑After‑Free Leading to Safari Crash via Malicious Web Content

No exploitation reported by the sources we read.

  • Published2026-10-26
  • WeaknessCWE-416

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 use-after-free issue was addressed with improved memory management. 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 an unexpected Safari crash.

Timeline

dates in UTC
  1. 2026-10-2620:42CVE publishedCNA

Observed activity

isMalicious corpus · updated 2026-11-04 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-86986?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-86986?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

Products declared by the CNA

As apple, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • 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

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-86986 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
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
Undergoing Analysis
GitHub Advisory
GHSA-33fx-h4x2-8pcr

Frequently asked questions

What is CVE-2026-86986?

A use-after-free issue was addressed with improved memory management. 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 an unexpected Safari crash.

Is CVE-2026-86986 actively exploited?

Active exploitation of CVE-2026-86986 has not been confirmed. Its EPSS score was 0.2% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-86986?

CVE-2026-86986 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.

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Sources for this record