CVE-2026-43660

high

Published 2026-05-13 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

A validation issue was addressed with improved logic. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, 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 prevent Content Security Policy from being enforced.

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Apple Security HT · View original ↗ · proprietary-no-redistribution

Full prose not cached — VIR stores only structured fields (affected/fixed versions, references) for this source. Click "View original" above for the vendor's full advisory.

Affected

Vendor	Product	Version
apple	WebKit	`macOS Sonoma and macOS Sequoia`
apple	WebKit	`macOS Sonoma and macOS Sequoia`
apple	WebKit	`macOS Sonoma and macOS Sequoia`
apple	WebKit	`macOS Sonoma and macOS Sequoia`
apple	WebKit	`macOS Sonoma and macOS Sequoia`
apple	WebKit	`macOS Sonoma and macOS Sequoia`
apple	WebKit	`macOS Sonoma and macOS Sequoia`
apple	WebKit	`macOS Sonoma and macOS Sequoia`

OS impact

OS	Version	Status	Fixed in
safari	26.5	fixed
ios	26.5	fixed
ios	18.7.9	fixed
macos	26.5	fixed
tvos	26.5	fixed
macos		affected	`18.7.9`

References

CWEs

CWE-693

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.