CVE-2023-42917
CVSS v3
8.8
HIGH
EPSS Score
0.1 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.
CISA Known Exploited Vulnerability
- Date Added
- 2023-12-04
- Patch Due Date
- 2023-12-25
- Ransomware Use
- Unknown
Technical details
- Published
- 2023-11-30
Frequently asked questions
What is CVE-2023-42917?
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.
Is CVE-2023-42917 actively exploited?
Yes. CVE-2023-42917 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-12-25.
What is the CVSS score for CVE-2023-42917?
CVE-2023-42917 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2023-42917 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2023 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).