Samsung’s November 2026 security update for the Galaxy S26 series is no longer limited to South Korea. The patch has now expanded to Europe and India, bringing the latest security fixes to Galaxy S26, S26+ and S26 Ultra owners in two of Samsung’s biggest markets.
The rollout started in South Korea on November 10, 2026, and the European and Indian builds — firmware version S942BXXS6BZK1 — match the Korean release, so owners in all three regions are now on the same patch level. The update is a security-only release: no new features, just bug fixes and stability improvements, but the fixes it carries are worth installing right away.
Key Takeaways
- The news: The Galaxy S26 November 2026 security update has expanded from South Korea to Europe and India.
- Firmware: The European and Indian builds carry version S942BXXS6BZK1, the same BZK1 release as Korea; the base S26 package is about 510MB.
- What’s fixed: The November bulletin covers a critical Android Framework remote-code-execution flaw (CVE-2026-58868) plus dozens of other vulnerabilities.
- The count, honestly: SamMobile reports 179 vulnerabilities fixed, while Samsung’s own bulletin totals more than 200 fixes once Samsung’s own items are included — the two counts cover different scopes.
- How to get it: Go to Settings > Software update > Check for updates; the rollout is staged, so it may take a few days to reach your phone.
The Rollout Expands Beyond Korea
Samsung started pushing the November 2026 security patch to the Galaxy S26 lineup in South Korea on November 10, 2026, with the base Galaxy S26 receiving a 510.10MB package carrying firmware version S942NKSS6BZK1. The S26+ and S26 Ultra got matching builds of a similar size, all ending in BZK1.
Now the same update has reached Europe and India. Firmware trackers list matching Galaxy S26 builds for the EUX (Europe) and INS (India) regions as S942BXXS6BZK1 — the same BZK1 release as the Korean build, just the regional variant. That means European and Indian owners are getting the identical patch, not a stripped-down version of it.
As with most Samsung security updates, the rollout is staged rather than simultaneous. Not every Galaxy S26 in Europe or India will see the update on day one, so if it has not appeared on your phone yet, check again over the next few days. You can check manually by going to Settings > Software update > Check for updates.
What the November Patch Fixes
This is a security-only update, so do not expect new features or interface changes. SamsungMagazine reports the patch brings bug fixes and stability improvements only — but underneath that quiet description is one of the more important security fixes of the month.
The headline fix is a critical Android Framework vulnerability, tracked as CVE-2026-58868, that could allow remote code execution. That is the kind of flaw attackers can exploit without physical access to the phone, which is why security researchers rate it as critical and why installing the patch promptly matters.
The wider November bulletin is broad. According to Samsung’s SMR Nov-2026 Release 1, it covers 178 Android CVEs — 20 rated critical, 157 high and 1 moderate — plus 4 high-severity Samsung Semiconductor CVEs and 24 Samsung SVE items covering Samsung’s own software. Together, that is a large batch of fixes spanning the Android platform, Samsung’s chip-level components and Samsung’s own apps and services.
There is a small discrepancy in how the total is reported. SamMobile puts the number at 179 vulnerabilities fixed, while Samsung’s bulletin totals more than 200 once Samsung’s own items are counted alongside Google’s Android fixes. The difference comes down to scope — the lower count reflects the Android security bulletin items, while the higher total adds Samsung’s own fixes — so treat “more than 200” as the full picture and “179” as the Android-side count.
The Galaxy Z Fold 8 Is Getting It Too
The S26 series is not the only new Samsung flagship on the November patch. The Galaxy Z Fold 8 and Fold 8 Ultra are also receiving the November security update in South Korea, with builds ending in AZK1 and a download size of around 600MB.
The Fold 8 rollout suggests Samsung is moving its newest devices onto the November patch in parallel, rather than one series at a time. Wider availability for the Fold 8 outside Korea has not been confirmed yet, but the Korean rollout is usually the first step before the update reaches other regions.
Should You Install It?
Yes — and sooner rather than later. A security-only update is easy to postpone because nothing visibly changes, but this one patches a critical remote-code-execution flaw, and that is exactly the kind of vulnerability that is worth closing before it is exploited in the wild.
The update is also small by modern standards at roughly 500MB, so it downloads quickly over Wi-Fi and installs in minutes. Back up nothing special — this is a routine monthly security patch, not a major Android version upgrade — but make sure the phone has enough battery, or plug it in before starting the install.
If you own a Galaxy S26, S26+ or S26 Ultra in Europe or India, open Settings > Software update > Check for updates now. If the update is not there yet, it is still rolling out in stages and should appear within a few days.
Related Guides
- Samsung November 2026 Security Update: What’s in the Bulletin
- One UI 9.5 Beta Lands on Galaxy S26
- Galaxy Watch 8 Gets One UI 9 Watch Update
FAQ
When did the Galaxy S26 November 2026 security update reach Europe and India?
The update first rolled out in South Korea on November 10, 2026, and matching builds for Europe (EUX) and India (INS) were confirmed by November 12, 2026. The European and Indian firmware is version S942BXXS6BZK1.
What firmware version is the Galaxy S26 November 2026 security update?
The European and Indian builds carry firmware version S942BXXS6BZK1, while the Korean build is S942NKSS6BZK1. All three end in BZK1 and carry the same November 2026 security patch. The base Galaxy S26 package is about 510MB.
How many vulnerabilities does the November 2026 patch fix?
Reports differ by scope: SamMobile reports 179 vulnerabilities fixed, while Samsung’s bulletin totals more than 200 fixes once Samsung’s own items are included. The Android side covers 178 CVEs (20 critical, 157 high, 1 moderate), plus 4 high-severity Samsung Semiconductor CVEs and 24 Samsung SVE items.
What is the most serious flaw fixed in the November 2026 update?
The most serious is CVE-2026-58868, a critical Android Framework vulnerability that could allow remote code execution. Installing the update closes that flaw on the Galaxy S26 series.
How do I check for the Galaxy S26 November 2026 security update?
Go to Settings > Software update > Check for updates on your Galaxy S26, S26+ or S26 Ultra. The rollout is staged, so if the update has not appeared yet, check again over the next few days.
Sources: SamMobile (Nov 10, 2026); SamsungMagazine (Nov 10, 2026); SamUpdater (updated Nov 12, 2026); SamFw (Nov 12, 2026).
