Buffer Overflow Vulnerability in macOS Sequoia and Tahoe by Apple
CVE-2026-28848

7.5HIGH

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
11 May 2026

What is CVE-2026-28848?

A buffer overflow vulnerability has been identified in Apple's macOS products, specifically affecting versions Sequoia 15.7.7 and Tahoe 26.5. The flaw is tied to inadequate bounds checking, which potentially allows remote attackers to exploit this vulnerability. Successful exploitation may lead to unexpected termination of the system, compromising system integrity. It is important for users to update their systems to the latest versions to mitigate this risk and enhance overall security. For more details, see the official Apple support pages.

Affected Version(s)

macOS 0 < 15.7.7

macOS 0 < 26.5

References

https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127116

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.