Should you update to Chrome 155.0.8059.84?
No: install Chrome 157.0.8103.38 instead. Chrome 155.0.8059.84 is a security update Google released on 15 Oct 2026 for Mac, Windows and Linux. It fixes 10 security flaws, 1 rated critical and 6 high by Google.[1] None of them is known to be used in attacks.
It has since been replaced by Chrome 156.0.8078.47, released 20 Oct 2026, which includes all of its fixes. If you’re on an older version, install that instead.
Should you update?
No: install Chrome 157.0.8103.38 instead. Chrome 157.0.8103.38 came out on 3 Nov 2026 and includes every fix in Chrome 155.0.8059.84, so there’s no reason to stop at this one. Software Update offers the newest version your device can run.
Is Chrome 155.0.8059.84 still safe?
Not any more. The 4 updates since, up to Chrome 157.0.8103.38, fix 639 security flaws that Chrome 155.0.8059.84 doesn’t, and each became public the day its fix shipped. Installing it is safe: get it only from Chrome’s own About page (chrome://settings/help), never from a link in an email, text or pop-up.
What it fixes
Google lists 10 security flaws, 1 rated critical and 6 high by Google.[1] The 7 critical and high ones are:
| Flaw | Severity | What Google calls it |
|---|---|---|
CVE-2026-110922 | Critical | Use after free in Prerender |
CVE-2026-110913 | High | Memory corruption in DOM |
CVE-2026-110919 | High | Use after free in V8 |
CVE-2026-110918 | High | Memory corruption in Core |
CVE-2026-110917 | High | Memory corruption in SVG |
CVE-2026-110921 | High | Use after free in V8 |
CVE-2026-110920 | High | Memory corruption in V8 |
How to update, and how long it takes
A minute or two. Chrome downloads it in the background, and relaunching reopens your tabs.
- Open Chrome’s About page.Type chrome://settings/help in the address bar, or open the ⋮ menu → Help → About Google Chrome. Chrome checks and downloads the update.
- Click Relaunch.Chrome reopens your tabs. Until you relaunch, the old, unfixed version keeps running.
- Do the same in every Chromium browser.Edge, Brave, Opera and Vivaldi are built on the same code and get the same fixes a few days later.
To check it worked: chrome://settings/help shows the version, and says “Chrome is up to date” when it is. It should say 156.0.8078.47 or later.
155.0.8059.79 vs 155.0.8059.84
Chrome 155.0.8059.79, released 13 Oct 2026, fixed 37 security flaws. Chrome 155.0.8059.84 fixes 10 security flaws and includes the fixes before it, so going straight to 155.0.8059.84 gets you both.
- Before: Chrome 155.0.8059.79, 13 Oct 2026, 37 security flaws
- After: Chrome 156.0.8078.47, 20 Oct 2026, 353 security flaws
- Chrome updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Google. “Stable Channel Update for Desktop”, 15 Oct 2026.