Quick answers
- Is CVE-2026-113903 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-113903 being exploited in the wild.
- How severe is CVE-2026-113903?
- Informational severity, published 26 October 2026.
- Which products and versions are affected?
- Apple Ios prior to 27.2; Apple iPadOS prior to 27.2; Apple macOS Golden Gate prior to 27.2; Apple Safari prior to 27.2; and 1 more.
- Is there a fix for CVE-2026-113903?
- Yes: fixed in Safari 27.2, iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-113903 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-113903?
- Check whether you run Apple Ios, Apple iPadOS, Apple macOS Golden Gate or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Safari 27.2, iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2
Technical details
A use-after-free vulnerability in Safari's memory management allows attackers to access freed memory, potentially leading to memory modification when processing malicious web content. The vulnerability is triggered via network-delivered web content with no user interaction required beyond visiting a malicious site. The issue was resolved through improved memory management in the affected versions.
Affected products
- Apple Safari prior to 27.2
- Apple iOS prior to 27.2
- Apple iPadOS prior to 27.2
- Apple macOS Golden Gate prior to 27.2
- Apple visionOS prior to 27.2
Timeline
- 2026-10-26: disclosed