CVE-2024-23273: Apple Safari · Private Browsing tabs may be accessed without authentication
Affects Apple SafariSource CVE Database V5
Not known to be exploited · CVSS 4.3 Medium · fixed in 17.4 : update Apple Safari when convenient.
Data as of 26 Oct 2026, 09:08 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 17.4
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 8 Mar 2024
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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple Safari | Affected
| Fixed in– |
AI-suggested
Apply the official fix by updating Safari to version 17.4 or later on macOS Monterey or Ventura. For iOS and iPadOS devices, update to version 17.4 or later. Apple has addressed this issue through improved state management. No additional mitigation steps are required beyond applying the update.
Description
CVE-2024-23273 is a vulnerability in Apple Safari affecting Private Browsing tabs on macOS Monterey and macOS Ventura. The issue allows Private Browsing tabs to be accessed without authentication due to improper state management. Apple addressed this vulnerability in Safari 17.4 released on March 7, 2024. The CVSS score is 4.3 (medium severity), indicating limited confidentiality impact without integrity or availability effects. No known exploits are reported in the wild. The vulnerability is fixed by improved state management in the specified Safari version.
References
- support.apple.com/en-us/120893 (opens in a new tab)
- support.apple.com/en-us/120894 (opens in a new tab)
- support.apple.com/en-us/120895 (opens in a new tab)
- support.apple.com/en-us/HT214081 (opens in a new tab)
- support.apple.com/en-us/HT214089 (opens in a new tab)
- support.apple.com/en-us/HT214084 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Mar/20 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Mar/21 (opens in a new tab)
- support.apple.com/kb/HT214089 (opens in a new tab)
- support.apple.com/kb/HT214084 (opens in a new tab)
- support.apple.com/kb/HT214081 (opens in a new tab)