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CVE-2023-40448The issue was addressed with improved handling of protocols. This issue is fixed in tvOS 17, iOS 16.7 and iPadOS 16.7, watchOS 10, iOS 17…
- 8.6HighCVSS base score
- 2.2%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The issue was addressed with improved handling of protocols. This issue is fixed in tvOS 17, iOS 16.7 and iPadOS 16.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. A remote attacker may be able to break out of Web Content sandbox.
Timeline
ID reserved
By apple
- 43 days later
· 43 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.
Affected products
- affected unspecified – < 17
- affected unspecified – < 16.7
- affected unspecified – < 17
- affected unspecified – < 14
- affected unspecified – < 10
References
References14
- https://support.apple.com/en-us/HT213938 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT213927 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT213936 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT213940 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT213937 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Oct/10 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Oct/8 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Oct/3 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Oct/4 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213940 (opens in a new tab)
- https://support.apple.com/kb/HT213927 (opens in a new tab)
- https://support.apple.com/kb/HT213938 (opens in a new tab)
- https://support.apple.com/kb/HT213937 (opens in a new tab)
- https://support.apple.com/kb/HT213936 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-45019 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-40448)Record last updated .