CVE-2026-86973: Apple Safari · Processing maliciously crafted web content may lead to an unexpected process crash
Affects Apple SafariSource CVE Database V5
Not known to be exploited : upgrade to 27.2 when convenient.
Data as of 26 Oct 2026, 21:13 UTC
Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in 27.2, 26.7.2
Exploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Safari and macOS to 27.2; iOS and iPadOS to 27.2 or 26.7.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AppleSafari | Affected
| Fixed in
|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
Apply the official fixes by updating Safari to version 27.2 or later, iOS and iPadOS to 26.7.2 or later, and macOS Golden Gate to 27.2 or later. These updates contain improved bounds checking that resolves the out-of-bounds read issue.
Description
CVE-2026-86973 is a vulnerability in Apple Safari where processing maliciously crafted web content may cause an unexpected process crash due to an out-of-bounds read. This issue has been addressed with improved bounds checking and fixed in Safari 27.2, iOS 26.7.2 and 27.2, iPadOS 26.7.2 and 27.2, and macOS Golden Gate 27.2.