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

🗓️ 17 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 7 Views

The Win32k.sys vulnerability in Windows enables privilege escalation through a dynamic memory buffer overflow.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-50670
14 Jul 202619:01
circl
cve
CVE
CVE-2026-50670
14 Jul 202617:08
cve
cvelist
Cvelist
CVE-2026-50670 Windows Win32k Elevation of Privilege Vulnerability
14 Jul 202617:08
cvelist
euvd
EUVD
EUVD-2026-44127
14 Jul 202618:32
euvd
mskb
Microsoft KB
July 14, 2026—KB5099538 (OS Build 17763.9020)
14 Jul 202614:00
mskb
mskb
Microsoft KB
July 14, 2026—KB5099540 (OS Build 20348.5386)
14 Jul 202614:00
mskb
mscve
Microsoft CVE
Windows Win32k Elevation of Privilege Vulnerability
14 Jul 202614:00
mscve
ncsc
NCSC
Vulnerabilities in Microsoft Windows
14 Jul 202618:13
ncsc
nvd
NVD
CVE-2026-50670
14 Jul 202618:18
nvd
ptsecurity
Positive Technologies
PT-2026-58493
14 Jul 202600:00
ptsecurity
Rows per page
Vulners
Node
OR
microsoftwindows_server_2025Range<10.0.26100.33158
microsoftwindows_server_2022Range<10.0.20348.5386
microsoftwindows_server_2019Range<10.0.17763.9020
microsoftwindows_10_1809Range<10.0.17763.9020
microsoftwindows_10_21h2Range<10.0.19044.7548
microsoftwindows_10_22h2Range<10.0.19045.7548
microsoftwindows_11_26h1Range<10.0.28000.2525
microsoftwindows_11_24h2Range<10.0.26100.8875
microsoftwindows_11_25h2Range<10.0.26200.8875

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17 Jul 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 26.8
CVSS 38.8
EPSS0.0024
7