CVE-2026-20919

highPriorität · verfolgen · 0EPSS 0.008 · 56. PerzentilDEEUJPNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.80% (56th) EPSS

CVSS 7.5 · high

Is it mine?

181 products

Prüfe deine Angriffsfläche

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · bewertet 2026-10-27

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

BehobenWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.8783:Security Update:https://support.microsoft.com/help/5073722
https://support.microsoft.com/help/5073722
BehobenWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.8783:Security Update:https://support.microsoft.com/help/5073722
https://support.microsoft.com/help/5073722
BehobenWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.8276:Security Update:https://support.microsoft.com/help/5073723
https://support.microsoft.com/help/5073723
BehobenWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.8276:Security Update:https://support.microsoft.com/help/5073723
https://support.microsoft.com/help/5073723
BehobenWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.6809:Security Update:https://support.microsoft.com/help/5073724
https://support.microsoft.com/help/5073724
BehobenWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.6809:Security Update:https://support.microsoft.com/help/5073724
https://support.microsoft.com/help/5073724
BehobenWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.6809:Security Update:https://support.microsoft.com/help/5073724
https://support.microsoft.com/help/5073724
BehobenWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.6809:Security Update:https://support.microsoft.com/help/5073724
https://support.microsoft.com/help/5073724
BehobenWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.6809:Security Update:https://support.microsoft.com/help/5073724
https://support.microsoft.com/help/5073724
BehobenWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.6809:Security Update:https://support.microsoft.com/help/5073724
https://support.microsoft.com/help/5073724
BehobenWindows 11 Version 23H2 for ARM64-based Systemsmsrc_csaf
10.0.22631.6491:Security Update:https://support.microsoft.com/help/5073455
https://support.microsoft.com/help/5073455
BehobenWindows 11 Version 23H2 for x64-based Systemsmsrc_csaf
10.0.22631.6491:Security Update:https://support.microsoft.com/help/5073455
https://support.microsoft.com/help/5073455
BehobenWindows 11 Version 24H2 for ARM64-based Systemsmsrc_csaf
10.0.26100.7623:Security Update:https://support.microsoft.com/help/5074109
https://support.microsoft.com/help/5074109
BehobenWindows 11 Version 24H2 for x64-based Systemsmsrc_csaf
10.0.26100.7623:Security Update:https://support.microsoft.com/help/5074109
https://support.microsoft.com/help/5074109
BehobenWindows 11 Version 25H2 for ARM64-based Systemsmsrc_csaf
10.0.26200.7623:Security Update:https://support.microsoft.com/help/5074109
https://support.microsoft.com/help/5074109
BehobenWindows 11 Version 25H2 for x64-based Systemsmsrc_csaf
10.0.26200.7623:Security Update:https://support.microsoft.com/help/5074109
https://support.microsoft.com/help/5074109
BehobenWindows Server 2012msrc_csaf
6.2.9200.25868:Monthly Rollup:https://support.microsoft.com/help/5073698
https://support.microsoft.com/help/5073698
BehobenWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.25868:Monthly Rollup:https://support.microsoft.com/help/5073698
https://support.microsoft.com/help/5073698
BehobenWindows Server 2012 R2msrc_csaf
6.3.9600.22968:Monthly Rollup:https://support.microsoft.com/help/5073696
https://support.microsoft.com/help/5073696
BehobenWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.22968:Monthly Rollup:https://support.microsoft.com/help/5073696
https://support.microsoft.com/help/5073696
BehobenWindows Server 2016msrc_csaf
10.0.14393.8783:Security Update:https://support.microsoft.com/help/5073722
https://support.microsoft.com/help/5073722
BehobenWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.8783:Security Update:https://support.microsoft.com/help/5073722
https://support.microsoft.com/help/5073722
BehobenWindows Server 2019msrc_csaf
10.0.17763.8276:Security Update:https://support.microsoft.com/help/5073723
https://support.microsoft.com/help/5073723
BehobenWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.8276:Security Update:https://support.microsoft.com/help/5073723
https://support.microsoft.com/help/5073723
BehobenWindows Server 2022msrc_csaf
10.0.20348.4648:Security Update:https://support.microsoft.com/help/5073457
https://support.microsoft.com/help/5073457
BehobenWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.4648:Security Update:https://support.microsoft.com/help/5073457
https://support.microsoft.com/help/5073457
BehobenWindows Server 2022, 23H2 Edition (Server Core installation)msrc_csaf
10.0.25398.2092:Security Update:https://support.microsoft.com/help/5073450
https://support.microsoft.com/help/5073450
BehobenWindows Server 2025msrc_csaf
10.0.26100.32230:Security Update:https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da
https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da
BehobenWindows Server 2025 (Server Core installation)msrc_csaf
10.0.26100.32230:Security Update:https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da
https://support.microsoft.com/en-us/topic/a6021fd2-b3b7-45a7-b68e-35c28a2a77da

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.9–7.5

v3.17.5highAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USAusnutzbarkeit 1.6 · Auswirkung 5.9

v3.16.9mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-362USCWE-362USCWE-362USCWE-362US

betroffene Produkte (181)

Betroffene Produkte und Versionsbereiche.

Hitachi Storagealle Versionencert_bundDEcpe:/h:hitachi:storage:-
Microsoft Windows 10 Version 1607alle Versionencert_bundDEcpe:/o:microsoft:windows_10:version_1607
Microsoft Windows 10 Version 1809alle Versionencert_bundDEcpe:/o:microsoft:windows_10:version_1809
Microsoft Windows 10 Version 21H2alle Versionencert_bundDEcpe:/o:microsoft:windows_10:version_21h2
Microsoft Windows 10 Version 22H2alle Versionencert_bundDEcpe:/o:microsoft:windows_10:version_22h2
Microsoft Windows 11 Version 23H2alle Versionencert_bundDEcpe:/o:microsoft:windows_11:version_23h2
Microsoft Windows 11 Version 24H2alle Versionencert_bundDEcpe:/o:microsoft:windows_11:version_24h2
Microsoft Windows 11 Windows Terminalalle Versionencert_bundDEcpe:/o:microsoft:windows_11:windows_terminal
Microsoft Windows Server 2008 R2 SP1alle Versionencert_bundDEcpe:/o:microsoft:windows_server:2008_r2_sp1
Microsoft Windows Server 2008 SP2alle Versionencert_bundDEcpe:/o:microsoft:windows_server:2008_sp2
Microsoft Windows Server 2012alle Versionencert_bundDEcpe:/o:microsoft:windows_server_2012:-
Microsoft Windows Server 2012 R2alle Versionencert_bundDEcpe:/o:microsoft:windows_server_2012_r2:-
Microsoft Windows Server 2016alle Versionencert_bundDEcpe:/o:microsoft:windows_server_2016:-
Microsoft Windows Server 2019alle Versionencert_bundDEcpe:/o:microsoft:windows_server_2019:-
Microsoft Windows Server 2022alle Versionencert_bundDEcpe:/o:microsoft:windows_server_2022:-
Microsoft Windows Server 2022 23H2 Editionalle Versionencert_bundDEcpe:/o:microsoft:windows_server_2022:23h2_edition
Microsoft Windows Server 2025alle Versionencert_bundDEcpe:/o:microsoft:windows_server_2025:-
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.8783enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.8276enisa_euvdEU
Microsoft Windows 10 Version 21H210.0.19044.0 → 10.0.19044.6809enisa_euvdEU

20 von 181 angezeigt

Advisories (4)

Hersteller- und Ökosystem-Meldungen dazu.

NCSC-2026-0007Kwetsbaarheden verholpen in Microsoft WindowsNL2026-01-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Windows
WID-SEC-W-2026-0083Microsoft Windows : Mehrere SchwachstellenDeutsch2026-01-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen,, um erweiterte Privilegien, einschließlich Benutzer- und Administratorrechten, zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen und Daten zu manipulieren.
msrc_CVE-2026-20919Windows SMB Server Elevation of Privilege Vulnerability2026-01-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
JVNDB-2026-004359JVN iPedia advisory JVNDB-2026-0043592026-02-20vendor · jvndbJP

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl msrc_csaf jvndb NVD CVE.org MITRE

veröffentlicht 2026-01-13geändert 2026-07-30

Referenzen (3)

Externe Belege — Patches, Meldungen, Analysen.

scry

Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.

Kostenloser Scan