# CVE-2026-43794: WebKit: Processing maliciously crafted web content may lead to memory corruption

CVE-2026-43794 is fixed in Tahoe on 1 platform by Tahoe 26.6.2 (version 26.6.2), released August 17, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-43794
- Priority: High
- CVSS: 8.8 (HIGH)
- EPSS: 0.0042
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 17, 2026
- Vendor advisory: https://support.apple.com/en-us/148281

## Description

A memory corruption issue was addressed with improved memory handling. WebKit Bugzilla: 317317

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| macOS | Tahoe | 26.6.2 | [Tahoe 26.6.2](https://patchblox.com/security/data/fix/macos/tahoe-26.6.2.md) | Aug 17, 2026 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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