CVE-2025-31277
Apple Multiple Products Buffer Overflow Vulnerability
- High 8.8
- Exploited: added to CISA KEV 20 Mar 2026
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
Key facts
- Published
- 29 Jul 2025
- Last changed
- 21 Sep 2026
- Assigned by
- apple
- KEV added
- 20 Mar 2026
- KEV fix due
- 3 Apr 2026
- EPSS
- 1.678% likely to be exploited in the next 30 days, higher than 77.291% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - 8.8CVSS 3.1, Highfrom redhat-SADP (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari |
|
| Apple | iOS and iPadOS |
|
| Apple | macOS |
|
| Apple | tvOS |
|
| Apple | visionOS |
|
| Apple | watchOS |
|
Timeline
- 29 Jul 2025 Published
- 20 Mar 2026 Added to the CISA KEV catalogue