Should you update to Microsoft Edge 156.0.4314.58?
Yes, this week. Microsoft Edge 156.0.4314.58 is a security update Microsoft released on 30 Oct 2026 for Mac and Windows. It fixes 21 security flaws, 1 rated critical and 19 important by Microsoft.[1] None of them is known to be used in attacks.
It is the newest Microsoft Edge release, so it’s the one to have.
Should you update?
Yes, this week. Microsoft rates one fix critical, and attackers study each release to work out what it fixed. Every security update closes holes that become public the moment it ships, so the risk of staying on the old version only grows. Waiting a week to see if others hit problems is a common habit; with a security update it’s the wrong trade.
Is Microsoft Edge 156.0.4314.58 safe to install?
Yes. It’s Microsoft’s own security release, and updates rarely go wrong; a backup makes it painless if one does. The one unsafe way to get it is from a link: Microsoft never sends updates by email, text or pop-up, so install it only from Edge’s own About page (Edge updates itself; there’s nothing to download from a website).
What it fixes
Microsoft lists 21 security flaws, 1 rated critical and 19 important by Microsoft.[1] The 20 critical and important ones are:
| Flaw | Severity | What Microsoft calls it |
|---|---|---|
CVE-2026-76024 | Critical | Chromium CVE-2026-76024: Memory corruption |
CVE-2026-76025 | Important | Chromium CVE-2026-76025: Use after free |
CVE-2026-76026 | Important | Chromium CVE-2026-76026: Memory corruption |
CVE-2026-76027 | Important | Chromium CVE-2026-76027: Memory corruption |
CVE-2026-76028 | Important | Chromium CVE-2026-76028: Use after free |
CVE-2026-76029 | Important | Chromium CVE-2026-76029: Memory corruption |
CVE-2026-76030 | Important | Chromium CVE-2026-76030: Memory corruption |
CVE-2026-76031 | Important | Chromium CVE-2026-76031: Use after free |
CVE-2026-119260 | Important | Chromium CVE-2026-119260: Use after free |
CVE-2026-119261 | Important | Chromium CVE-2026-119261: Improper input validation |
CVE-2026-119262 | Important | Chromium CVE-2026-119262: Improper input validation |
CVE-2026-119263 | Important | Chromium CVE-2026-119263: Memory corruption |
CVE-2026-119264 | Important | Chromium CVE-2026-119264: Memory corruption |
CVE-2026-119265 | Important | Chromium CVE-2026-119265: Memory corruption |
CVE-2026-119266 | Important | Chromium CVE-2026-119266: Use after free |
CVE-2026-119267 | Important | Chromium CVE-2026-119267: Memory corruption |
CVE-2026-119268 | Important | Chromium CVE-2026-119268: Integer overflow |
CVE-2026-119269 | Important | Chromium CVE-2026-119269: Use after free |
CVE-2026-119270 | Important | Chromium CVE-2026-119270: Improper input validation |
CVE-2026-119271 | Important | Chromium CVE-2026-119271: Use after free |
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 156.0.4314.58 or later.
156.0.4314.56 vs 156.0.4314.58
Microsoft Edge 156.0.4314.56, released 29 Oct 2026, fixed 52 security flaws. Microsoft Edge 156.0.4314.58 fixes 21 security flaws and includes the fixes before it, so going straight to 156.0.4314.58 gets you both.
- Before: Microsoft Edge 156.0.4314.56, 29 Oct 2026, 52 security flaws
- After: none yet. This is the newest.
- Microsoft Edge updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Microsoft. “Microsoft Edge security release notes, October 30, 2026”, 30 Oct 2026.