4.3Medium

Apple Safari

CVE-2026-43795

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

What this means for your business

  • It affects Apple Safari. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it remotely, over a network, without a login, but only after tricking someone into an action such as opening a file or a link.
  • FIRST's prediction model gives it a 0.5% chance of attack attempts being seen in the next 30 days, ranking above 39% of all known flaws.

What to do

  1. 1Check whether your company or your suppliers run Apple Safari, and which version. The affected versions are listed further down this page.
  2. 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Scoring

CVSS
4.3 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness
CWE-119
Assigned by
product-security@apple.com

Dates

Published
2026-08-17
Last modified
2026-09-14
Sources
NVD

Affected products

  • Apple Safari- 26.6.1
  • Apple Ipados- 18.7.10, 26.0 - 26.6.1
  • Apple Iphone Os- 18.7.10, 26.0 - 26.6.1
  • Apple Macos26.0 - 26.6.2

As listed in the NVD configuration data. Not a statement about your estate.

References