Vulnerability details
CVE-2026-28947
Apple SafariApple iOS and iPadOSApple macOSApple tvOSApple visionOSApple watchOS
CVSS 3.1
8.8High
Official description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (redhat-SADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apple | Safari | v < 26.5 | CVEProject cvelistV5 (CNA) |
| Apple | iOS and iPadOS | v < 18.7.10 | CVEProject cvelistV5 (CNA) |
| Apple | iOS and iPadOS | v < 26.5 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 26.5 | CVEProject cvelistV5 (CNA) |
| Apple | tvOS | v < 26.5 | CVEProject cvelistV5 (CNA) |
| Apple | visionOS | v < 26.5 | CVEProject cvelistV5 (CNA) |
| Apple | watchOS | v < 26.5 | CVEProject cvelistV5 (CNA) |
References and advisories
19- https://support.apple.com/en-us/127110
- https://support.apple.com/en-us/127115
- https://support.apple.com/en-us/127118
- https://support.apple.com/en-us/127119
- https://support.apple.com/en-us/127120
- https://support.apple.com/en-us/127121
- https://support.apple.com/en-us/148287
- https://access.redhat.com/security/cve/CVE-2026-28947 vdb-entryx_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2483964 issue-trackingx_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28947.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:27728 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:25918 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:27785 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:28114 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:27804 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:28148 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:28146 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:28147 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:25927 vendor-advisoryx_refsource_REDHAT
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Details
- Published
- 2026-05-11
- Last updated
- 2026-08-18
- State
- Published
- Assigner (CNA)
- apple
Exploit prediction (EPSS)
0.37%
Probability of exploitation in 30 days
31.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-416Use After Free