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The vulnerability of the registration broker for Windows Auxiliary Technologies’ ATBroker.exe operating system allows a perpetrator to gain unauthorized access to protected information.

🗓️ 12 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 1 Views

ATBroker registration broker weakness in Windows enables unauthorized access to protected data.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-25186
10 Mar 202617:04
–attackerkb
Circl		CVE-2026-25186
10 Mar 202616:57
–circl
CNNVD		Microsoft Windows 信息泄露漏洞
10 Mar 202600:00
–cnnvd
CVE		CVE-2026-25186
10 Mar 202617:04
–cve
Cvelist		CVE-2026-25186 Windows Accessibility Infrastructure (ATBroker.exe) Information Disclosure Vulnerability
10 Mar 202617:04
–cvelist
EUVD		EUVD-2026-10657
10 Mar 202618:31
–euvd
EUVD		EUVD-2026-10658
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
Microsoft KB		March 10, 2026—Hotpatch KB5078736 (OS Build 26100.32463)
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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12 Mar 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 24.6
CVSS 35.5
EPSS0.0063
Windows operating systemregistration brokerATBrokersensitive dataunauthorized accessprotected information
1