Memory Handling Vulnerability in Apple Products
CVE-2026-20636
6.5MEDIUM
Key Information:
- Vendor
Apple
- Vendor
- CVE Published:
- 11 February 2026
What is CVE-2026-20636?
A vulnerability has been identified in the memory handling of various Apple products, which could result in unexpected crashes when processing maliciously crafted web content. This issue has been effectively addressed in the latest software updates for iOS, iPadOS, Safari, macOS, and visionOS. Users are encouraged to apply these updates to enhance their security and ensure stable performance.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.
Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.
Affected Version(s)
iOS and iPadOS < 26.3
macOS < 26.3
Safari < 26.3
References
CVSS V3.1
Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved