Buffer overflow in Apple macOS
CVE-2025-31246
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.5, macOS Sonoma 14.7.6. Connecting to a malicious AFP server may corrupt kernel memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
- Apple macOS — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/122716 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/122717 (Release Notes, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-31246?
- CVE-2025-31246 is a high-severity vulnerability in Apple macOS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-05-12.
- How severe is CVE-2025-31246?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-31246 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.