CVE-2026-43699
published 2026-06-29CVE-2026-43699: A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2…
PriorityP431medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.24%
15.0th percentile
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.5.2 | 26.5.2 |
| apple | ipados | < 26.5.2 | 26.5.2 |
| apple | iphone_os | < 26.5.2 | 26.5.2 |
| apple | macos | < 26.5.2 | 26.5.2 |
| apple | safari | < 26.5.2 | 26.5.2 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Web use after free
vuldb·2026-06-30·CVSS 6.5
CVE-2026-43699 [MEDIUM] Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Web use after free
A vulnerability was found in Apple Safari, iOS, iPadOS and macOS up to 26.5.1. It has been declared as critical. Affected by this issue is some unknown functionality of the component Web Handler. Executing a manipulation can lead to use after free.
This vulnerability is handled as CVE-2026-43699. The attack can be executed remotely. There is not any exploit available.
It is recommended to upgrade the affected component.
GHSA
A use-after-free issue was addressed with improved memory management.
ghsa_unreviewed·2026-06-29
CVE-2026-43699 [MEDIUM] CWE-416 A use-after-free issue was addressed with improved memory management.
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-06-29
Published