VDB
CVE-2026-20665
CVE-2026-20665
PUBLISHED
CVSS 6.5 MEDIUM
This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
EPSS 0.18% · 39.3th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS Score
0.18%
39.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0, 0 |
| apple | macos | 0 |
| apple | iphone_os | 0, 26.0 |
| Apple | tvOS | 0 |
| apple | visionos | 0 |
| apple | tvos | 0 |
| Apple | visionOS | 0 |
| Apple | watchOS | 0 |
| apple | ipados | 26.0, 0 |
| apple | watchos | 0 |
| Apple | macOS | 0 |
| Apple | Safari | 0 |
| apple | safari | 0 |
Exploit Intelligence
- CIRCL seen: CVE-2026-20665 (circl-sighting)
- https://support.apple.com/en-us/126792 (circl)
- https://support.apple.com/en-us/126793 (circl)
- https://support.apple.com/en-us/126794 (circl)
- https://support.apple.com/en-us/126797 (circl)
- https://support.apple.com/en-us/126798 (circl)
- https://support.apple.com/en-us/126799 (circl)
- https://support.apple.com/en-us/126800 (circl)
- 2026-03-20.json (github-poc)
- 2026-03-20.json (github-poc)
…and 75 more exploits
Timeline
- Mar 25, 2026 CVE Published
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 25, 2026 PoC Published
- Mar 29, 2026 Security Advisory
- Apr 22, 2026 Distribution Patch
- Apr 22, 2026 Security Advisory
- Apr 24, 2026 Distribution Patch
- Apr 27, 2026 Distribution Patch
- Apr 27, 2026 Security Advisory
- Apr 28, 2026 Distribution Patch
- Apr 29, 2026 Distribution Patch
References
- https://support.apple.com/en-us/126799 url
- https://support.apple.com/en-us/126800 url
- https://support.apple.com/en-us/126793 advisory
- https://support.apple.com/en-us/126794 advisory
- https://support.apple.com/en-us/126798 advisory
- https://support.apple.com/en-us/126796 advisory
- https://support.apple.com/en-us/126792 advisory
- https://support.apple.com/en-us/126795 advisory
- https://support.apple.com/en-us/126797 advisory
- https://support.apple.com/en-us/126801 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-20665 advisory