Quick answers
- Is CVE-2026-87558 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87558 being exploited in the wild.
- How severe is CVE-2026-87558?
- Critical severity, with a CVSS score of 9.6, published 9 September 2026.
- Which products and versions are affected?
- Google Chrome prior to 153.0.8010.36 on Mac.
- Is there a fix for CVE-2026-87558?
- A patch was published on 2026-09-08: Chrome 153.0.8010.36 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-87558 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-87558?
- Check whether you run Apple macOS or Google Chrome 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.
Technical details
The vulnerability is a use-after-free bug in the Payments component of Google Chrome on macOS prior to version 153.0.8010.36. The flaw allows a remote attacker to execute arbitrary code outside the sandbox boundary by providing a specially crafted HTML page that triggers the memory corruption. Use-after-free vulnerabilities occur when freed memory is accessed again, potentially allowing control of program execution. No special authentication or user interaction beyond visiting a malicious webpage is required. The vulnerability was patched in Chrome 153.0.8010.36 released on September 8, 2026.
Affected products
- Google Chrome prior to 153.0.8010.36 on Mac
Timeline
- 2026-09-09: disclosed
- 2026-09-08: patched: Chrome 153.0.8010.36