WebKit process crash on malicious web content
CVE-2026-28901 is a WebKit vulnerability affecting Safari 26.5, iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. Apple states that processing maliciously crafted web content may lead to an unexpected process crash and that the issue was addressed with improved memory handling. The available advisory text does not identify the specific vulnerable function or root memory-safety subtype beyond indicating a memory-handling flaw in WebKit.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Unknown
Unknown
A WebKit vulnerability where maliciously crafted web content may cause an unexpected process crash.
A vulnerability in macOS Tahoe acknowledged by Apple, but no technical details are provided in the content excerpt.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.