CVE-2026-84518: Apple Safari · A malicious website may be able to determine what apps a user has installed
Affects Apple SafariSource CVE Database V5
Not known to be exploited · CVSS 4.3 Medium : upgrade to 27 when convenient.
Data as of 30 Oct 2026, 06:59 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 4.3 |
|---|
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 27
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 29 Oct 2026.
What to do
Upgrade Safari and iOS and iPadOS and macOS to 27.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AppleSafari | Affected
| Fixed in
|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
Update Safari to version 27 or later, and ensure the device is running iOS 27, iPadOS 27, or macOS Golden Gate 27 or later. This update includes the official fix through improved state management. No additional mitigations are required once updated.
Description
A vulnerability in Apple Safari allows a malicious website to determine which apps a user has installed. This issue was addressed through improved state management and fixed in Safari 27, iOS 27, iPadOS 27, and macOS Golden Gate 27.