CVE-2026-20652 is a denial-of-service vulnerability (CWE-400) impacting Apple Safari, iOS, iPadOS, macOS, and visionOS, stemming from an issue addressed by improved memory handling. Rated High (CVSS 7.5), it allows a remote attacker to cause a denial-of-service without user interaction, indicating a low attack complexity. There is currently no evidence of active exploitation (KEV: No), nor are public exploit modules available, and community discussion remains minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 26.3CPE matchmatch criteria | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | ||
< 18.7.5CPE matchmatch criteria | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | ||
>= 26.0, < 26.3CPE matchmatch criteria | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | ||
< 18.7.5CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
>= 26.0, < 26.3CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
WebKitGTK vulnerabilities
May 6, 2026About the security content of iOS 26.3 and iPadOS 26.3 - Apple Support
About the security content of iOS 18.7.5 and iPadOS 18.7.5 - Apple Support
About the security content of macOS Tahoe 26.3 - Apple Support
About the security content of visionOS 26.3 - Apple Support
About the security content of Safari 26.3 - Apple Support