Should you update to Microsoft Edge 153.0.4234.32?

From Microsoft Edge updates, in the HARD wiki · Updated
This article is about one Microsoft Edge release. For the latest version, see Microsoft Edge updates.

No: install Microsoft Edge 156.0.4314.58 instead. Microsoft Edge 153.0.4234.32 is a security update Microsoft released on 10 Sep 2026 for Mac and Windows. It fixes 231 security flaws, 1 rated critical and 20 important by Microsoft.[1] None of them is known to be used in attacks.

It has since been replaced by Microsoft Edge 153.0.4234.46, released 17 Sep 2026, which includes all of its fixes. If you’re on an older version, install that instead.

Should you update?

No: install Microsoft Edge 156.0.4314.58 instead. Microsoft Edge 156.0.4314.58 came out on 30 Oct 2026 and includes every fix in Microsoft Edge 153.0.4234.32, so there’s no reason to stop at this one. Software Update offers the newest version your device can run.

Is Microsoft Edge 153.0.4234.32 still safe?

Not any more. The 16 updates since, up to Microsoft Edge 156.0.4314.58, fix 924 security flaws that Microsoft Edge 153.0.4234.32 doesn’t, and each became public the day its fix shipped. Installing it is safe: get it only from Edge’s own About page (Edge updates itself; there’s nothing to download from a website), never from a link in an email, text or pop-up.

What it fixes

Microsoft lists 231 security flaws, 1 rated critical and 20 important by Microsoft.[1] The 21 critical and important ones are:

FlawSeverityWhat Microsoft calls it
CVE-2026-87527CriticalChromium CVE-2026-87527: Buffer overflow in WebGL
CVE-2026-69486ImportantMicrosoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVE-2026-85893ImportantMicrosoft Edge (Chromium-based) Elevation of Privilege Vulnerability
CVE-2026-87440ImportantChromium CVE-2026-87440: Out of bounds read in Media
CVE-2026-87444ImportantChromium CVE-2026-87444: Memory corruption in Codecs
CVE-2026-87447ImportantChromium CVE-2026-87447: Incorrect authorization in Network
CVE-2026-87460ImportantChromium CVE-2026-87460: Use after free in Platform
CVE-2026-87467ImportantChromium CVE-2026-87467: Race condition in Updater
CVE-2026-87474ImportantChromium CVE-2026-87474: Use after free in Payments
CVE-2026-87480ImportantChromium CVE-2026-87480: Use after free in Printing
CVE-2026-87492ImportantChromium CVE-2026-87492: Incorrect authorization in DevTools
CVE-2026-87494ImportantChromium CVE-2026-87494: Use after free in Browser
CVE-2026-87498ImportantChromium CVE-2026-87498: Missing authorization in WebUI
CVE-2026-87499ImportantChromium CVE-2026-87499: Incorrect authorization in Network
CVE-2026-87500ImportantChromium CVE-2026-87500: Improper validation of array index in ANGLE
CVE-2026-87512ImportantChromium CVE-2026-87512: Use after free in ANGLE
CVE-2026-87514ImportantChromium CVE-2026-87514: Use after free in Views
CVE-2026-87524ImportantChromium CVE-2026-87524: Use after free in Core
CVE-2026-87525ImportantChromium CVE-2026-87525: Out of bounds read in Chromoting
CVE-2026-87536ImportantChromium CVE-2026-87536: Use after free in V8
CVE-2026-87542ImportantChromium CVE-2026-87542: Use after free in Input

How to update, and how long it takes

A minute or two. Edge restarts and reopens your tabs.

  1. Open Edge and click the three dots (…) at the top right.Choose Help and feedback, then About Microsoft Edge.
  2. Let it download the update.Edge checks as soon as that page opens. When it’s done, click Restart.

To check it worked: Three dots (…) → Help and feedback → About Microsoft Edge: the version is under the name, e.g. 157.0.4341.42. It should say 153.0.4234.46 or later.

152.0.4191.65 vs 153.0.4234.32

Microsoft Edge 152.0.4191.65, released 8 Sep 2026, fixed 3 security flaws. Microsoft Edge 153.0.4234.32 fixes 231 security flaws and includes the fixes before it, so going straight to 153.0.4234.32 gets you both.

References

  1. ^ Microsoft. “Microsoft Edge security release notes, September 10, 2026”, 10 Sep 2026.