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Windows Server Update Service (WSUS) Tampering Vulnerability

🗓️ 14 Apr 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

WSUS vulnerability from improper input validation allows an unauthorized attacker to tamper updates over a network.

Related
Detection
ReporterTitlePublishedViews
Family
Circl
CVE-2026-26154
14 Apr 202615:49
circl
CNNVD
Microsoft Windows 输入验证错误漏洞
14 Apr 202600:00
cnnvd
CVE
CVE-2026-26154
14 Apr 202616:56
cve
Cvelist
CVE-2026-26154 Windows Server Update Service (WSUS) Tampering Vulnerability
14 Apr 202616:56
cvelist
EUVD
EUVD-2026-22376
14 Apr 202618:30
euvd
Microsoft KB
April 14, 2026—KB5082060 (OS Build 25398.2274)
14 Apr 202614:00
mskb
Microsoft KB
April 14, 2026—KB5082126 (Monthly Rollup)
14 Apr 202614:00
mskb
Microsoft KB
April 14, 2026—KB5082127 (Monthly Rollup)
14 Apr 202614:00
mskb
NCSC
Vulnerabilities in Microsoft Windows
15 Apr 202608:53
ncsc
NVD
CVE-2026-26154
14 Apr 202618:16
nvd
Rows per page
Vulners
Node
microsoftwindows_server_2012_r2Range<6.3.9600.23132x64
OR
microsoftwindows_server_2012_r2Range<6.3.9600.23132x64
OR
microsoftwindows_server_2012Range<6.2.9200.26026x64
OR
microsoftwindows_server_2012Range<6.2.9200.26026x64
OR
microsoftwindows_server_2016Range<10.0.14393.9060
OR
microsoftwindows_server_2016Range<10.0.14393.9060
OR
microsoftwindows_server_2025Range<10.0.26100.32690
OR
microsoftwindows_server_23h2Range<10.0.25398.2274
OR
microsoftwindows_server_2025Range<10.0.26100.32690
OR
microsoftwindows_server_2022Range<10.0.20348.5020
OR
microsoftwindows_server_2022Range<10.0.20348.5020
OR
microsoftwindows_server_2019Range<10.0.17763.8644
OR
microsoftwindows_server_2019Range<10.0.17763.8644

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14 Apr 2026 14:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.5
EPSS0.00284
SSVC
2