CVE-2026-59116

Fix

Microsoft's update · Important

• KB5099538 — Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation) · build 10.0.17763.9020 · restart required
• KB5099540 — Windows Server 2022, Windows Server 2022 (Server Core installation) · build 10.0.20348.5386 · restart required
• KB5099539 — Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 · build 10.0.19044.7548 · restart required
• KB5099539 — Windows 10 Version 22H2, Windows 10 Version 22H2 for 32-bit Systems · build 10.0.19045.7548 · restart required
• KB5099536 — Windows Server 2025 (Server Core installation), Windows Server 2025 · build 10.0.26100.33158 · restart required
• KB5101650 — Windows 11 Version 25H2 · build 10.0.26200.8875 · restart required
• KB5099414 — Windows 11 Version 23H2 · build 10.0.22631.7376 · restart required
• KB5101650 — Windows 11 Version 24H2 · build 10.0.26100.8875 · restart required
• KB5101649 — Windows 11 version 26H1, Windows 11 Version 26H1 · build 10.0.28000.2525 · restart required
• KB5099535 — Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation) · build 10.0.14393.9339 · restart required
• KB5099445 — Windows Server 2012, Windows Server 2012 (Server Core installation) · build 6.2.9200.26226 · restart required
• KB5099444 — Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) · build 6.3.9600.23291 · restart required

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-31 · Exploitation Unlikely.

Patch, vendor advisory and mitigation references on NVD 1

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59116 Patch, Vendor Advisory

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.