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The vulnerability of the Win32k.sys component of the Windows operating system, which allows a hacker to increase their privileges

🗓️ 22 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 1 Views

A race condition in the Windows kernel driver due to synchronization errors can allow an attacker to escalate privileges.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-33104
14 Apr 202616:58
–attackerkb
Circl		CVE-2026-33104
14 Apr 202615:49
–circl
CNNVD		Microsoft Win32k 资源管理错误漏洞
14 Apr 202600:00
–cnnvd
CVE		CVE-2026-33104
14 Apr 202616:58
–cve
Cvelist		CVE-2026-33104 Win32k Elevation of Privilege Vulnerability
14 Apr 202616:58
–cvelist
EUVD		EUVD-2026-22629
14 Apr 202618:30
–euvd
Microsoft KB		April 14, 2026—KB5082052 (OS Build 22631.6936)
14 Apr 202614:00
–mskb
Microsoft KB		April 14, 2026—KB5082060 (OS Build 25398.2274)
14 Apr 202614:00
–mskb
Microsoft KB		April 14, 2026—KB5082063(OS Build 26100.32690)
14 Apr 202614:00
–mskb
Microsoft KB		April 14, 2026—KB5082126 (Monthly Rollup)
14 Apr 202614:00
–mskb
Rows per page
Vulners
Node
microsoftwindows_11_23h2Range<10.0.22631.6936
OR
microsoftwindows_11_25h2Range<10.0.26200.8246
OR
microsoftwindows_10_1809Range<10.0.17763.8644
OR
microsoftwindows_server_2025_(server_core_installation)Range<10.0.26100.32690
OR
microsoftwindows_10_22h2Range<10.0.19045.7184
OR
microsoftwindows_10_21h2Range<10.0.19044.7184
OR
microsoftwindows_server_2022_(server_core_installation)Range<10.0.20348.5020
OR
microsoftwindows_server_2022Range<10.0.20348.5020
OR
microsoftwindows_server_2019_(server_core_installation)Range<10.0.17763.8644
OR
microsoftwindows_server_2019Range<10.0.17763.8644
OR
microsoftwindows_11_26h1Range<10.0.28000.1836
OR
microsoftwindows_server_2016_(server_core_installation)Range<10.0.14393.9060
OR
microsoftwindows_server_2016Range<10.0.14393.9060
OR
microsoftwindows_10_1607Range<10.0.14393.9060
OR
microsoftwindows_server_2025Range<10.0.26100.32690
OR
microsoftwindows_server_2022,_23h2_edition_(server_core_installation)Range<10.0.25398.2274
OR
microsoftwindows_server_2012_r2_(server_core_installation)Range<6.3.9600.23132
OR
microsoftwindows_server_2012_r2Range<6.3.9600.23132
OR
microsoftwindows_server_2012_(server_core_installation)Range<6.2.9200.26026
OR
microsoftwindows_server_2012Range<6.2.9200.26026
OR
microsoftwindows_11_24h2Range<10.0.26100.8246

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22 Apr 2026 00:00Current
7.1High risk
Vulners AI Score7.1
CVSS 26
CVSS 37
EPSS0.00207
windows kernel driverrace conditionprivilege escalationsynchronization errorshared resources
1