CVE-2026-49789: windows 10 1607 before 10.0.14393.9339 (exclusive); +29 more affected products

Affected technology

windows 10 1607 · before 10.0.14393.9339 (exclusive)
microsoft

windows 10 1809 · before 10.0.17763.9020 (exclusive)
microsoft

windows 10 21h2 · before 10.0.19044.7548 (exclusive)
microsoft

windows 10 22h2 · before 10.0.19045.7548 (exclusive)
microsoft

windows 11 24h2 · before 10.0.26100.8875 (exclusive)
microsoft

windows 11 25h2 · before 10.0.26200.8875 (exclusive)
microsoft

windows 11 26h1 · before 10.0.28000.2269 (exclusive)
microsoft

windows 11 26h1 · before 10.0.28000.2525 (exclusive)
microsoft

windows server 2012 · Version not applicable in the source CPE
microsoft

windows server 2012 · r2
microsoft

windows server 2016 · before 10.0.14393.9339 (exclusive)
microsoft

windows server 2019 · before 10.0.17763.9020 (exclusive)
microsoft

windows server 2022 · before 10.0.20348.5386 (exclusive)
microsoft

windows server 2025 · before 10.0.26100.33158 (exclusive)
microsoft

Windows 10 Version 1607 · 10.0.14393.0 to before 10.0.14393.9339
Microsoft

Windows 10 Version 1809 · 10.0.17763.0 to before 10.0.17763.9020
Microsoft

Windows 10 Version 21H2 · 10.0.19044.0 to before 10.0.19044.7548
Microsoft

Windows 10 Version 22H2 · 10.0.19045.0 to before 10.0.19045.7548
Microsoft

Windows 11 Version 24H2 · 10.0.26100.0 to before 10.0.26100.8875
Microsoft

Windows 11 Version 25H2 · 10.0.26200.0 to before 10.0.26200.8875
Microsoft

Windows 11 version 26H1 · 10.0.28000.0 to before 10.0.28000.2525
Microsoft

Windows Server 2012 · 6.2.9200.0 to before 6.2.9200.26226
Microsoft

Windows Server 2012 (Server Core installation) · 6.2.9200.0 to before 6.2.9200.26226
Microsoft

Windows Server 2012 R2 · 6.3.9600.0 to before 6.3.9600.23291
Microsoft

Windows Server 2012 R2 (Server Core installation) · 6.3.9600.0 to before 6.3.9600.23291
Microsoft

Windows Server 2016 · 10.0.14393.0 to before 10.0.14393.9339
Microsoft

Windows Server 2016 (Server Core installation) · 10.0.14393.0 to before 10.0.14393.9339
Microsoft

Windows Server 2019 · 10.0.17763.0 to before 10.0.17763.9020
Microsoft

Windows Server 2019 (Server Core installation) · 10.0.17763.0 to before 10.0.17763.9020
Microsoft

Windows Server 2022 · 10.0.20348.0 to before 10.0.20348.5386
Microsoft

Windows Server 2025 · 10.0.26100.0 to before 10.0.26100.33158
Microsoft

Windows Server 2025 (Server Core installation) · 10.0.26100.0 to before 10.0.26100.33158
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · User interaction required

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

An authorized attacker can elevate privileges locally. Vendor/CNA’s CVSS 3.1 assessment (base score 7.3/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.