CVE-2026-28848

7.5 HIGH 0.5% exploit odds Fix listed Memory safety OS & kernel

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-11 21:18 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-26 18:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-11 21:18 UTC
Last modified: 2026-10-26 18:10 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-121
Record status: Analyzed

Affected

Apple macOS < 15.7.7
Apple macOS < 26.5

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Fix and advisories

References

NVD record · CVE.org record