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Windows 11 26H1

Latest Release

KB Article KB5079466

Build 10.0.28000.1719

Released 2026-03-10

Age 23 days ago

CVEs Fixed 40

Exploited 0

Release Type Patch Tuesday

End of Support (Home/Pro) 2028-03-14

End of Support (Ent/Edu) 2029-03-13

KB Article MSRC

Resources

Windows 11 26H1

Security Intelligence

Security Information

March 2026 Security Update • 2026-03-10 • 10.0.28000.1719 •

Patch Tuesday 40 CVEs

+28d ▼

28 days since previous release · Addresses 40 security issues

ℹ️ Addresses 40 security issues

Recommendation: Update to stay secure — security fixes available

KB Article

KB5079466

Build

10.0.28000.1719

Vulnerabilities

Days to Prev.

Supersedes

KB5077179

CVEs (40)

CVE-2026-23xx (6 CVEs) ▼

CVE-2026-23667 CVE-2026-23669 CVE-2026-23671 CVE-2026-23672 CVE-2026-23673 CVE-2026-23674

CVE-2026-24xx (11 CVEs) ▼

CVE-2026-24282 CVE-2026-24283 CVE-2026-24287 CVE-2026-24289 CVE-2026-24290 CVE-2026-24291 CVE-2026-24292 CVE-2026-24293 CVE-2026-24294 CVE-2026-24295 CVE-2026-24296

CVE-2026-25xx (20 CVEs) ▼

CVE-2026-25165 CVE-2026-25167 CVE-2026-25168 CVE-2026-25169 CVE-2026-25170 CVE-2026-25171 CVE-2026-25172 CVE-2026-25173 CVE-2026-25174 CVE-2026-25176 CVE-2026-25177 CVE-2026-25178 CVE-2026-25179 CVE-2026-25180 CVE-2026-25181 CVE-2026-25185 CVE-2026-25186 CVE-2026-25187 CVE-2026-25188 CVE-2026-25190

CVE-2026-26xx (3 CVEs) ▼

CVE-2026-26111 CVE-2026-26128 CVE-2026-26132

February 2026 Security Update • 2026-02-10 • 10.0.28000.1575 •

Patch Tuesday 25 CVEs 5 KEV Critical Risk

+119d ▼

119 days since previous release · Contains 5 actively exploited vulnerabilities

⚠️ Contains 5 actively exploited vulnerabilities

Recommendation: Update immediately — contains known-exploited vulnerabilities (CISA KEV)

KB Article

KB5077179

Build

10.0.28000.1575

Vulnerabilities

CISA KEV

Days to Prev.

119

CVEs (25)

CVE-2026-20xx (1 CVE) ▼

CVE-2026-20846

CVE-2026-21xx (24 CVEs) ▼

CVE-2026-21231 CVE-2026-21232 CVE-2026-21234 CVE-2026-21235 CVE-2026-21236 CVE-2026-21237 CVE-2026-21238 CVE-2026-21240 CVE-2026-21241 CVE-2026-21242 CVE-2026-21244 CVE-2026-21245 CVE-2026-21247 CVE-2026-21248 CVE-2026-21249 CVE-2026-21250 CVE-2026-21253 CVE-2026-21255 CVE-2026-21508 ⚑ CVE-2026-21510 ⚑ CVE-2026-21513 ⚑ CVE-2026-21519 ⚑ CVE-2026-21525 ⚑ CVE-2026-21533

October 2025 Security Update • 2025-10-14 • 10.0.28000.1575 •

Patch Tuesday 1 CVEs

▼

Addresses 1 security issue

ℹ️ Addresses 1 security issue

Recommendation: Update to stay secure — security fixes available

KB Article

KB5077179

Build

10.0.28000.1575

Vulnerabilities

CVEs (1)

CVE-2025-28xx (1 CVE) ▼

CVE-2025-2884