CVE-2024-27840
The issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5,…
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.5, macOS Ventura 13.6.7, tvOS 17.5, visionOS 1.2, watchOS 10.5. An attacker that has already achieved kernel code execution may be able to bypass kernel memory protections.
Timeline
ID reserved
By apple
- 4 months later
· 4 months later
Published
- 22 months later
· 22 months 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 |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium6.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.25% · top 84% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- An attacker that has already achieved kernel code execution may be able to bypass kernel memory protections
- CWE-786 Access of Memory Location Before Start of Buffer (opens in a new tab)All about CWE-786 and its CVEs
Affected products
References (22)
- https://support.apple.com/en-us/120898 (opens in a new tab)
- https://support.apple.com/en-us/120899 (opens in a new tab)
- https://support.apple.com/en-us/120900 (opens in a new tab)
- https://support.apple.com/en-us/120901 (opens in a new tab)
- https://support.apple.com/en-us/120902 (opens in a new tab)
- https://support.apple.com/en-us/120905 (opens in a new tab)
- https://support.apple.com/en-us/120906 (opens in a new tab)
- https://support.apple.com/en-us/HT214101 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT214100 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT214107 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT214105 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT214108 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT214104 (opens in a new tab)x_transferred
- https://support.apple.com/en-us/HT214102 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT214107 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT214102 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT214104 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT214105 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT214100 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT214101 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT214108 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2024/Jun/5 (opens in a new tab)x_transferred
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)
- 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://trackcve.app/cve/CVE-2024-27840)Record last updated .