SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-31263

An app may be able to corrupt coprocessor memory.

CRITICAL 9.1EPSS 0.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
0.38% probability · 32th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
apple/macos
Source
product-security@apple.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.