VulnerabilityModified
CVE-2026-28857
Processing maliciously crafted web content may lead to an unexpected process crash.
MEDIUM 6.5EPSS 0.65%
Does this matter?
Lower severity and a low EPSS score (0.65%). Track it; it rarely justifies an emergency change on its own.
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.65% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-416, CWE-787, CWE-120
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/visionos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/126792Vendor Advisory
- https://support.apple.com/en-us/126794Vendor Advisory
- https://support.apple.com/en-us/126799Vendor Advisory
- https://support.apple.com/en-us/126800Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:10702
- https://access.redhat.com/errata/RHSA-2026:11329
- https://access.redhat.com/errata/RHSA-2026:11814
- https://access.redhat.com/errata/RHSA-2026:13845
- https://access.redhat.com/errata/RHSA-2026:14659
- https://access.redhat.com/errata/RHSA-2026:16056
- https://access.redhat.com/errata/RHSA-2026:16695
- https://access.redhat.com/errata/RHSA-2026:19206
- https://access.redhat.com/errata/RHSA-2026:19535
- https://access.redhat.com/errata/RHSA-2026:22136
- https://access.redhat.com/errata/RHSA-2026:9692
- https://access.redhat.com/security/cve/CVE-2026-28857
- https://bugzilla.redhat.com/show_bug.cgi?id=2453004
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28857.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.