CVE-2026-20644
Last modified
CVE-2026-20644 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.3 |
| Apple | Ipados | < 18.7.5 |
| Apple | Ipados | >= 26.0, < 26.3 |
| Apple | Iphone Os | < 18.7.5 |
| Apple | Iphone Os | >= 26.0, < 26.3 |
| Apple | Macos | < 26.3 |
| Apple | Visionos | < 26.3 |
References
- https://support.apple.com/en-us/126346Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126347Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126353Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126354Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-20644?
How severe is CVE-2026-20644?
How do I fix CVE-2026-20644?
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-2026-20639An integer overflow was addressed with improved input valida…7.5
- CVE-2026-2064A vulnerability was identified in Portabilis i-Educar up to …5.4
- CVE-2026-20640An inconsistent user interface issue was addressed with impr…4.6
- CVE-2026-20641A privacy issue was addressed with improved checks. This iss…7.1
- CVE-2026-20642An input validation issue was addressed. This issue is fixed…2.4
- CVE-2026-20643A cross-origin issue in the Navigation API was addressed wit…5.4
- CVE-2026-20645An inconsistent user interface issue was addressed with impr…4.6
- CVE-2026-20646A logging issue was addressed with improved data redaction. …3.3
- CVE-2026-20647This issue was addressed with improved data protection. This…5.5
- CVE-2026-20648A privacy issue was addressed by moving sensitive data to a …5.5
- CVE-2026-20649A logging issue was addressed with improved data redaction. …7.5
- CVE-2026-2065A security flaw has been discovered in Flycatcher Toys smART…8.8
Are you affected by CVE-2026-20644?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST