CVE-2026-64771

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

• CWE-119

• https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128069Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128070Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128071Release Notes, Vendor Advisory

Published

Jul 27, 2026

Last Modified

Jul 28, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-64766An integer overflow was addressed with improved input valida…7.8
• CVE-2026-64767A buffer overflow was addressed with improved bounds checkin…9.8
• CVE-2026-64768An out-of-bounds read issue was addressed with improved inpu…8.1
• CVE-2026-64769An out-of-bounds write issue was addressed with improved bou…9.8
• CVE-2026-6477Use of inherently dangerous function PQfn(..., result_is_int…8.8
• CVE-2026-64770An out-of-bounds write issue was addressed with improved bou…9.8
• CVE-2026-64772An out-of-bounds write issue was addressed with improved inp…9.8
• CVE-2026-64774An integer overflow was addressed with improved input valida…9.8
• CVE-2026-64775A memory initialization issue was addressed with improved me…9.8
• CVE-2026-64776The issue was addressed with improved bounds checks. This is…5.5
• CVE-2026-6478Covert timing channel in comparison of MD5-hashed password i…6.5
• CVE-2026-64783A use-after-free issue was addressed with improved memory ma…8.8