This report was translated by AI; nobody has reviewed the translation yet. Original language: Czech.

[TLP:CLEAR] Google Chrome fixes 151 vulnerabilities

Google fixes 151 vulnerabilities in the Google Chrome browser and other browsers based on the Chromium engine. The fix has been released for Windows (148.0.7778.216/217), macOS (148.0.7778.215/216) and Linux (148.0.7778.215). Selected vulnerabilities are described below, the remaining ones can be found at [1]. The fix for the Microsoft Edge browser is available in version 150.0.4078.83 [2][3]. Details of the vulnerabilities have not yet been published, probably in accordance with responsible disclosure policies.

Google Chrome - out-of-bounds write (CVE-2026-9872, CVE-2026-9879)
CVSS 9.6 (Critical)

An unauthenticated remote attacker can write beyond the bounds of allocated memory without authorization, which may lead to an application crash, data modification or potentially even code execution [1].

The vulnerability is present in products:

  • Windows:Google Chrome; <148.0.7778.216;
  • macOS:Google Chrome; <148.0.7778.215;
  • Linux:Google Chrome; <148.0.7778.215;

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

More information:

The vulnerability was publicly disclosed 27. 5. 2026.

Google Chrome - use after free (CVE-2026-9873, CVE-2026-9874, CVE-2026-9876, CVE-2026-9877, CVE-2026-9878, CVE-2026-9881, CVE-2026-9883, CVE-2026-9884, CVE-2026-9886, CVE-2026-9887, CVE-2026-9888, CVE-2026-9890, CVE-2026-9891, CVE-2026-9893)
CVSS 9.6 (Critical)

An unauthenticated remote attacker can exploit a pointer to memory that has already been freed, which may lead to an application crash, unauthorized data modification or potentially even code execution [1].

The vulnerability is present in products:

  • Windows:Google Chrome; <148.0.7778.216;
  • macOS:Google Chrome; <148.0.7778.215;
  • Linux:Google Chrome; <148.0.7778.215;

CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

More information:

The vulnerability was publicly disclosed 27. 5. 2026.


By CESNET, z.s.p.o. Michaela Ručková on 29. 5. 2026.

CESNET, z.s.p.o. Logo