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Windows 11 26H1

Latest Release

KB Article KB5089548

Build 10.0.28000.2113

Released 2026-05-12

Age 8 days ago

CVEs Fixed 63

Exploited 0

Release Type Patch Tuesday

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

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

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Windows 11 26H1

Security Intelligence

Security Information

May 2026 Security Update • 2026-05-12 • 10.0.28000.2113 •

Patch Tuesday 63 CVEs

+28d ▼

28 days since previous release · Addresses 63 security issues

ℹ️ Addresses 63 security issues

Recommendation: Update to stay secure — security fixes available

KB Article

KB5089548

Build

10.0.28000.2113

Vulnerabilities

Days to Prev.

Supersedes

KB5083768

CVEs (63)

CVE-2025-54xx (1 CVE) ▼

CVE-2025-54518

CVE-2026-21xx (1 CVE) ▼

CVE-2026-21530

CVE-2026-32xx (4 CVEs) ▼

CVE-2026-32161 CVE-2026-32170 CVE-2026-32177 CVE-2026-32209

CVE-2026-33xx (7 CVEs) ▼

CVE-2026-33834 CVE-2026-33835 CVE-2026-33837 CVE-2026-33838 CVE-2026-33839 CVE-2026-33840 CVE-2026-33841

CVE-2026-34xx (17 CVEs) ▼

CVE-2026-34329 CVE-2026-34330 CVE-2026-34331 CVE-2026-34333 CVE-2026-34334 CVE-2026-34336 CVE-2026-34337 CVE-2026-34338 CVE-2026-34339 CVE-2026-34340 CVE-2026-34341 CVE-2026-34342 CVE-2026-34343 CVE-2026-34344 CVE-2026-34345 CVE-2026-34347 CVE-2026-34351

CVE-2026-35xx (10 CVEs) ▼

CVE-2026-35415 CVE-2026-35416 CVE-2026-35417 CVE-2026-35418 CVE-2026-35419 CVE-2026-35421 CVE-2026-35422 CVE-2026-35423 CVE-2026-35424 CVE-2026-35433

CVE-2026-40xx (17 CVEs) ▼

CVE-2026-40369 CVE-2026-40377 CVE-2026-40380 CVE-2026-40382 CVE-2026-40397 CVE-2026-40398 CVE-2026-40399 CVE-2026-40401 CVE-2026-40403 CVE-2026-40405 CVE-2026-40406 CVE-2026-40407 CVE-2026-40408 CVE-2026-40410 CVE-2026-40413 CVE-2026-40414 CVE-2026-40415

CVE-2026-41xx (3 CVEs) ▼

CVE-2026-41088 CVE-2026-41096 CVE-2026-41097

CVE-2026-42xx (2 CVEs) ▼

CVE-2026-42825 CVE-2026-42896

CVE-2026-45xx (1 CVE) ▼

CVE-2026-45585

April 2026 Security Update • 2026-04-14 • 10.0.28000.1836 •

Patch Tuesday 121 CVEs 1 KEV Critical Risk

+35d ▼

35 days since previous release · Contains 1 actively exploited vulnerability

⚠️ Contains 1 actively exploited vulnerability

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

KB Article

KB5083768

Build

10.0.28000.1836

Vulnerabilities

121

CISA KEV

Days to Prev.

Supersedes

KB5079466

CVEs (121)

CVE-2026-20xx (2 CVEs) ▼

CVE-2026-20806 CVE-2026-20928

CVE-2026-23xx (2 CVEs) ▼

CVE-2026-23666 CVE-2026-23670

CVE-2026-25xx (2 CVEs) ▼

CVE-2026-25184 CVE-2026-25250

CVE-2026-26xx (27 CVEs) ▼

CVE-2026-26151 CVE-2026-26152 CVE-2026-26153 CVE-2026-26155 CVE-2026-26156 CVE-2026-26159 CVE-2026-26160 CVE-2026-26161 CVE-2026-26162 CVE-2026-26163 CVE-2026-26165 CVE-2026-26166 CVE-2026-26167 CVE-2026-26168 CVE-2026-26169 CVE-2026-26170 CVE-2026-26172 CVE-2026-26173 CVE-2026-26174 CVE-2026-26175 CVE-2026-26176 CVE-2026-26177 CVE-2026-26179 CVE-2026-26180 CVE-2026-26181 CVE-2026-26182 CVE-2026-26184

CVE-2026-27xx (22 CVEs) ▼

CVE-2026-27906 CVE-2026-27907 CVE-2026-27908 CVE-2026-27909 CVE-2026-27910 CVE-2026-27911 CVE-2026-27914 CVE-2026-27915 CVE-2026-27916 CVE-2026-27917 CVE-2026-27918 CVE-2026-27919 CVE-2026-27920 CVE-2026-27921 CVE-2026-27922 CVE-2026-27923 CVE-2026-27925 CVE-2026-27926 CVE-2026-27927 CVE-2026-27929 CVE-2026-27930 CVE-2026-27931

CVE-2026-32xx (57 CVEs) ▼

CVE-2026-32068 CVE-2026-32069 CVE-2026-32070 CVE-2026-32071 CVE-2026-32072 CVE-2026-32073 CVE-2026-32074 CVE-2026-32075 CVE-2026-32076 CVE-2026-32077 CVE-2026-32078 CVE-2026-32079 CVE-2026-32081 CVE-2026-32082 CVE-2026-32083 CVE-2026-32084 CVE-2026-32085 CVE-2026-32086 CVE-2026-32087 CVE-2026-32088 CVE-2026-32089 CVE-2026-32090 CVE-2026-32091 CVE-2026-32093 CVE-2026-32149 CVE-2026-32150 CVE-2026-32151 CVE-2026-32152 CVE-2026-32153 CVE-2026-32154 CVE-2026-32156 CVE-2026-32157 CVE-2026-32158 CVE-2026-32159 CVE-2026-32160 CVE-2026-32162 CVE-2026-32163 CVE-2026-32164 CVE-2026-32165 CVE-2026-32181 CVE-2026-32183 CVE-2026-32195 ⚑ CVE-2026-32202 CVE-2026-32212 CVE-2026-32214 CVE-2026-32215 CVE-2026-32216 CVE-2026-32217 CVE-2026-32218 CVE-2026-32219 CVE-2026-32220 CVE-2026-32221 CVE-2026-32222 CVE-2026-32223 CVE-2026-32224 CVE-2026-32225 CVE-2026-32226

CVE-2026-33xx (9 CVEs) ▼

CVE-2026-33096 CVE-2026-33098 CVE-2026-33100 CVE-2026-33101 CVE-2026-33104 CVE-2026-33116 CVE-2026-33824 CVE-2026-33827 CVE-2026-33829

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

+91d ▼

91 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.

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

November 2025 Security Update • 2025-11-11 • 10.0.28000.1836 •

Patch Tuesday 2 CVEs

+28d ▼

28 days since previous release · Addresses 2 security issues

ℹ️ Addresses 2 security issues

Recommendation: Update to stay secure — security fixes available

KB Article

KB5083768

Build

10.0.28000.1836

Vulnerabilities

Days to Prev.

Supersedes

KB5079466

CVEs (2)

CVE-2025-64xx (1 CVE) ▼

CVE-2025-64720

CVE-2025-65xx (1 CVE) ▼

CVE-2025-65018

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

Additional Updates

3 releases Out-of-band and preview updates

Date	Build	KB Article	Type
2026-04-30	`28000.1896`	KB5083806	2026-04 D
2026-03-26	`28000.1764`	KB5079489	2026-03 D
2026-02-24	`28000.1643`	KB5077239	2026-02 D