Cyber Resilience

CVE-2023-27935

High

Published: 08 May 2023

Published
08 May 2023
Modified
04 November 2025
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0173 82.9th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-27935 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Apple Macos. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 17.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The issue was addressed with improved bounds checks. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A remote user may be able to cause unexpected app termination or arbitrary code execution.

CWE(s)
NVD-CWE-noinfoCWE-120

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apple
macos
≤ 11.7.5 · 12.0 — 12.6.4 · 13.0 — 13.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References