Cyber Resilience

CVE-2026-28848

High

Published: 11 May 2026

Published
11 May 2026
Modified
12 May 2026
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0011 29.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-28848 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Apple Macos. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 29.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.7, macOS Tahoe 26.5. A remote attacker may be able to cause unexpected system termination.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
Why these techniques?

Remote stack buffer overflow (CWE-121) directly enables application/system DoS via exploitation, matching T1499.004.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

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CVE-2026-20639Same product: Apple Macos
CVE-2025-30444Same product: Apple Macos
CVE-2025-43244Same product: Apple Macos
CVE-2024-44199Same product: Apple Macos
CVE-2025-24269Same product: Apple Macos

Affected Assets

apple
macos
15.0 — 15.7.7 · 26.0 — 26.5

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References