CVE-2026-64778
MEDIUMCVSS 6.5/10EPSS 0.32%
Last modified
CVE-2026-64778 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Visiting a maliciously crafted website may leak sensitive data.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.6.1 |
| Apple | Ipados | < 18.7.10 |
| Apple | Ipados | >= 26.0, < 26.6.1 |
| Apple | Iphone Os | < 18.7.10 |
| Apple | Iphone Os | >= 26.0, < 26.6.1 |
| Apple | Macos | >= 26.0, < 26.6.2 |
References
- https://support.apple.com/en-us/148281Release Notes, Vendor Advisory
- https://support.apple.com/en-us/148282Release Notes, Vendor Advisory
- https://support.apple.com/en-us/148286Release Notes, Vendor Advisory
- https://support.apple.com/en-us/148287Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-64778?
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Visiting a maliciously crafted website may leak sensitive data.
How severe is CVE-2026-64778?
CVE-2026-64778 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2026-64778?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- 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.
Related CVEs from 2026
- CVE-2026-64772An out-of-bounds write issue was addressed with improved inp…9.8
- CVE-2026-64773An attacker that can reach a container's published TCP port …7.5
- 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-2026-64777A malicious builder peer may be able to request an in-contex…4.3
- CVE-2026-64779A memory corruption vulnerability was addressed with improve…3.1
- CVE-2026-6478Covert timing channel in comparison of MD5-hashed password i…6.5
- CVE-2026-64780The issue was addressed with improved checks. This issue is …4.3
- CVE-2026-64781The issue was addressed with improved input validation. This…4.3
- CVE-2026-64782A memory corruption vulnerability was addressed with improve…3.1
- CVE-2026-64783A use-after-free issue was addressed with improved memory ma…8.8
Are you affected by CVE-2026-64778?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST