Should you update to Microsoft Edge 152.0.4191.52?
No: install Microsoft Edge 156.0.4314.58 instead. Microsoft Edge 152.0.4191.52 is a security update Microsoft released on 28 Aug 2026 for Mac and Windows. It fixes 1 security flaw, 0 rated critical and 1 important by Microsoft.[1] None of them is known to be used in attacks.
It has since been replaced by Microsoft Edge 152.0.4191.62, released 2 Sep 2026, which includes all of its fixes.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 152.0.4191.52, so there’s no reason to stop at this one. Software Update offers the newest version your device can run.
Is Microsoft Edge 152.0.4191.52 still safe?
Not any more. The 20 updates since, up to Microsoft Edge 156.0.4314.58, fix 1,192 security flaws that Microsoft Edge 152.0.4191.52 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 1 security flaw, 0 rated critical and 1 important by Microsoft.[1] The critical or important one is:
| Flaw | Severity | What Microsoft calls it |
|---|---|---|
CVE-2026-70341 | Important | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability |
How to update, and how long it takes
A minute or two. Edge restarts and reopens your tabs.
- Open Edge and click the three dots (…) at the top right.Choose Help and feedback, then About Microsoft Edge.
- 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 152.0.4191.62 or later.
152.0.4191.53 vs 152.0.4191.52
Microsoft Edge 152.0.4191.53, released 27 Aug 2026, fixed 303 security flaws. Microsoft Edge 152.0.4191.52 fixes 1 security flaw and includes the fixes before it, so going straight to 152.0.4191.52 gets you both.
- Before: Microsoft Edge 152.0.4191.53, 27 Aug 2026, 303 security flaws
- After: Microsoft Edge 152.0.4191.62, 2 Sep 2026, 24 security flaws
- Microsoft Edge updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Microsoft. “Microsoft Security Update Guide, Microsoft Edge (Chromium-based) 152.0.4191.52”, 28 Aug 2026.