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The vulnerability of the SMB server for Windows operating systems allows attackers to increase their privileges.

🗓️ 12 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 2 Views

The Windows SMB server has authentication weaknesses that allow attackers to escalate privileges.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for Improper Authentication in Microsoft
5 May 202620:27
–githubexploit
ATTACKERKB		CVE-2026-26128
10 Mar 202617:05
–attackerkb
Information Security Automation		March Microsoft Patch Tuesday
11 Mar 202619:20
–avleonov
Circl		CVE-2026-26128
10 Mar 202616:57
–circl
CNNVD		Microsoft Windows SMB Server 授权问题漏洞
10 Mar 202600:00
–cnnvd
CVE		CVE-2026-26128
10 Mar 202617:05
–cve
Cvelist		CVE-2026-26128 Windows SMB Server Elevation of Privilege Vulnerability
10 Mar 202617:05
–cvelist
EUVD		EUVD-2026-10692
10 Mar 202618:31
–euvd
Japan Vulnerability Notes		Security information for Hitachi Disk Array Systems
25 May 202602:39
–jvn
Microsoft KB		March 10, 2026—KB5078734 (OS Build 25398.2207)
10 Mar 202614:00
–mskb
Rows per page
Vulners
Node
microsoftwindows_server_2012_r2_(server_core_installation)Range<6.3.9600.23074
OR
microsoftwindows_server_2012_r2Range<6.3.9600.23074
OR
microsoftwindows_server_2012_(server_core_installation)Range<6.2.9200.25973
OR
microsoftwindows_server_2012Range<6.2.9200.25973
OR
microsoftwindows_10_1607Range<10.0.14393.8957
OR
microsoftwindows_server_2016Range<10.0.14393.8957
OR
microsoftwindows_server_2016_(server_core_installation)Range<10.0.14393.8957
OR
microsoftwindows_11_24h2Range<10.0.26100.8037
OR
microsoftwindows_11_24h2Range<10.0.26100.7979
OR
microsoftwindows_server_2025Range<10.0.26100.32522
OR
microsoftwindows_server_2025Range<10.0.26100.32463
OR
microsoftwindows_server_2022,_23h2_edition_(server_core_installation)Range<10.0.25398.2207
OR
microsoftwindows_11_23h2Range<10.0.22631.6783
OR
microsoftwindows_server_2025_(server_core_installation)Range<10.0.26100.32522
OR
microsoftwindows_server_2025_(server_core_installation)Range<10.0.26100.32463
OR
microsoftwindows_11_25h2Range<10.0.26200.8037
OR
microsoftwindows_11_25h2Range<10.0.26200.7979
OR
microsoftwindows_10_22h2Range<10.0.19045.7058
OR
microsoftwindows_10_21h2Range<10.0.19044.7058
OR
microsoftwindows_server_2022_(server_core_installation)Range<10.0.20348.4893
OR
microsoftwindows_server_2022_(server_core_installation)Range<10.0.20348.4830
OR
microsoftwindows_10_1809Range<10.0.17763.8511
OR
microsoftwindows_server_2019Range<10.0.17763.8511
OR
microsoftwindows_server_2022Range<10.0.20348.4893
OR
microsoftwindows_server_2022Range<10.0.20348.4830
OR
microsoftwindows_server_2019_(server_core_installation)Range<10.0.17763.8511
OR
microsoftwindows_11_26h1Range<10.0.28000.1719

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05 May 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 26.8
CVSS 37.8
EPSS0.00447
server message blockwindows operating systemprivilege escalationauthentication weaknesses
2