CVE-2025-31263
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4....
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory.
- Record
CVE-2025-31263- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2025-16430
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory.
- Record
EUVD-2025-16430- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8849-3gmw-cqc7
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4....
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory.
- Record
GHSA-8849-3gmw-cqc7- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
NVD
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory.
- Record
CVE-2025-31263- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-31263 is a critical vulnerability (CVSS 9.1) in Apple Macos, published May 29, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.