8.3High
Google Chrome
CVE-2026-87578
Use after free in Receiver in Google Chrome prior to 153.0.8010.36 allowed an adjacent attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
What this means for your business
- It affects Google Chrome. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it from inside the same network, without a login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.1% chance of attack attempts being seen in the next 30 days, ranking above 3% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Google Chrome, and which version. The affected versions are listed further down this page.
- 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
- 8.3 (v3.1)
- Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H- Weakness
- CWE-416
- Assigned by
- chrome-cve-admin@google.com
Dates
- Published
- 2026-09-09
- Last modified
- 2026-09-10
- Sources
- NVD
Affected products
- Google Chrome- 153.0.8010.36
As listed in the NVD configuration data. Not a statement about your estate.