Should you update to Microsoft Edge 150.0.4078.81?
No: install Microsoft Edge 156.0.4314.58 instead. Microsoft Edge 150.0.4078.81 is a security update Microsoft released on 20 Jul 2026 for Mac and Windows. It fixes 1 security flaw.[1] None of them is known to be used in attacks.
It has since been replaced by Microsoft Edge 150.0.4078.96, released 23 Jul 2026, which includes all of its fixes.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 150.0.4078.81, so there’s no reason to stop at this one. Software Update offers the newest version your device can run.
Is Microsoft Edge 150.0.4078.81 still safe?
Not any more. The 30 updates since, up to Microsoft Edge 156.0.4314.58, fix 1,987 security flaws that Microsoft Edge 150.0.4078.81 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.[1] Microsoft doesn’t rate them by severity. They are:
| Flaw | Severity | What Microsoft calls it |
|---|---|---|
CVE-2026-15767 | Not rated | Chromium: CVE-2026-15767 Heap buffer overflow in libyuv |
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 150.0.4078.96 or later.
150.0.4078.83 vs 150.0.4078.81
Microsoft Edge 150.0.4078.83, released 17 Jul 2026, fixed 7 security flaws. Microsoft Edge 150.0.4078.81 fixes 1 security flaw and includes the fixes before it, so going straight to 150.0.4078.81 gets you both.
- Before: Microsoft Edge 150.0.4078.83, 17 Jul 2026, 7 security flaws
- After: Microsoft Edge 150.0.4078.96, 23 Jul 2026, 12 security flaws
- Microsoft Edge updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Microsoft. “Microsoft Edge security release notes, July 20, 2026”, 20 Jul 2026.