VDB
CVE-2026-28871
CVE-2026-28871
PUBLISHED
CVSS 9.300000190734863 CRITICAL
A logic issue was addressed with improved checks. 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. Visiting a maliciously crafted website may lead to a cross-site scripting attack.
EPSS 0.04% · 13.7th percentile
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS Score
0.04%
13.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| apple | iphone_os | 26.0, 0 |
| Apple | macOS | 0, 0 |
| apple | macos | 0 |
| apple | safari | 0 |
| Apple | Safari | 0, 0 |
| apple | ipados | 0, 26.0 |
| Apple | iOS and iPadOS | 0, 0, 0 |
Timeline
- Mar 25, 2026 CVE Published
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 29, 2026 Security Advisory
- Apr 2, 2026 CVE Updated
- 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/126793 advisory
- https://support.apple.com/en-us/126794 advisory
- https://support.apple.com/en-us/126798 advisory
- https://support.apple.com/en-us/126800 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/126799 advisory
- https://support.apple.com/en-us/126797 advisory
- https://support.apple.com/en-us/126801 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-28871 advisory