What is CVE-2026-112471?

CVE-2026-112471 is a medium-severity vulnerability in Apple macOS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2026-10-26.

How severe is CVE-2026-112471?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Buffer overflow in Apple macOS

CVE-2026-112471

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted image may lead to unexpected process termination.

Vulnerability class: Buffer Overflow

Published 2026-10-26 · last modified 2026-10-27.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Apple macOS

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Frequently asked questions

What is CVE-2026-112471?: CVE-2026-112471 is a medium-severity vulnerability in Apple macOS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2026-10-26.
How severe is CVE-2026-112471?: Medium severity. CVSS v3 base score is 4.3 out of 10.