CVE-2021-33771

highPriorität · handeln · 90OT-Risiko · kritischKEV · ausgenutztEPSS 0.102 · 96. PerzentilEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

10.2% (96th) EPSS

CVSS 7.2 · high

Is it mine?

105 products

Prüfe deine Angriffsfläche

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

hinzugefügt 2021-11-03beheben bis 2021-11-17

erforderliche Maßnahme Apply updates per vendor instructions.

EPSS · bewertet 2026-10-27

Microsoft Windows Kernel Privilege Escalation Vulnerability

Windows Kernel Elevation of Privilege Vulnerability

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
10.0.14393.4530:Security Update:https://support.microsoft.com/help/5004238
https://support.microsoft.com/help/5004238
BehobenWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.4530:Security Update:https://support.microsoft.com/help/5004238
https://support.microsoft.com/help/5004238
BehobenWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.2061:Security Update:https://support.microsoft.com/help/5004244
https://support.microsoft.com/help/5004244
BehobenWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.2061:Security Update:https://support.microsoft.com/help/5004244
https://support.microsoft.com/help/5004244
BehobenWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.2061:Security Update:https://support.microsoft.com/help/5004244
https://support.microsoft.com/help/5004244
BehobenWindows 10 Version 1909 for 32-bit Systemsmsrc_csaf
10.0.18363.1679:Security Update:https://support.microsoft.com/help/5004245
https://support.microsoft.com/help/5004245
BehobenWindows 10 Version 1909 for ARM64-based Systemsmsrc_csaf
10.0.18363.1679:Security Update:https://support.microsoft.com/help/5004245
https://support.microsoft.com/help/5004245
BehobenWindows 10 Version 1909 for x64-based Systemsmsrc_csaf
10.0.18363.1679:Security Update:https://support.microsoft.com/help/5004245
https://support.microsoft.com/help/5004245
BehobenWindows 10 Version 2004 for 32-bit Systemsmsrc_csaf
10.0.19041.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 Version 2004 for ARM64-based Systemsmsrc_csaf
10.0.19041.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 Version 2004 for x64-based Systemsmsrc_csaf
10.0.19041.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 Version 21H1 for 32-bit Systemsmsrc_csaf
10.0.19043.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 Version 21H1 for ARM64-based Systemsmsrc_csaf
10.0.19043.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 Version 21H1 for x64-based Systemsmsrc_csaf
10.0.19043.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.19003:Security Update:https://support.microsoft.com/help/5004249
https://support.microsoft.com/help/5004249
BehobenWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.19003:Security Update:https://support.microsoft.com/help/5004249
https://support.microsoft.com/help/5004249
BehobenWindows 8.1 for 32-bit systemsmsrc_csaf
6.3.9600.20069:Security Only:https://support.microsoft.com/help/5004285
https://support.microsoft.com/help/5004285
BehobenWindows 8.1 for x64-based systemsmsrc_csaf
6.3.9600.20069:Security Only:https://support.microsoft.com/help/5004285
https://support.microsoft.com/help/5004285
BehobenWindows RT 8.1msrc_csaf
6.3.9600.20069:Monthly Rollup:https://support.microsoft.com/help/5004298
https://support.microsoft.com/help/5004298
BehobenWindows Server 2012 R2msrc_csaf
6.3.9600.20069:Security Only:https://support.microsoft.com/help/5004285
https://support.microsoft.com/help/5004285
BehobenWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.20069:Security Only:https://support.microsoft.com/help/5004285
https://support.microsoft.com/help/5004285
BehobenWindows Server 2016msrc_csaf
10.0.14393.4530:Security Update:https://support.microsoft.com/help/5004238
https://support.microsoft.com/help/5004238
BehobenWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.4530:Security Update:https://support.microsoft.com/help/5004238
https://support.microsoft.com/help/5004238
BehobenWindows Server 2019msrc_csaf
10.0.17763.2061:Security Update:https://support.microsoft.com/help/5004244
https://support.microsoft.com/help/5004244
BehobenWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.2061:Security Update:https://support.microsoft.com/help/5004244
https://support.microsoft.com/help/5004244
BehobenWindows Server, version 2004 (Server Core installation)msrc_csaf
10.0.19041.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237
BehobenWindows Server, version 20H2 (Server Core Installation)msrc_csaf
10.0.19042.1110:Security Update:https://support.microsoft.com/help/5004237
https://support.microsoft.com/help/5004237

cvss

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

7.8

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 10

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USAusnutzbarkeit 1.8 · Auswirkung 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:Csecondary · Microsoft Security Response Center US

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USAusnutzbarkeit 1.8 · Auswirkung 5.9

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-269US

betroffene Produkte (105)

Betroffene Produkte und Versionsbereiche.

Microsoft Windows 10 Version 150710.0.10240.0 → 10.0.10240.19003enisa_euvdEU
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.4530enisa_euvdEU
Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.2061enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.2061enisa_euvdEU
Microsoft Windows 10 Version 190910.0.0 → 10.0.18363.1679enisa_euvdEU
Microsoft Windows 10 Version 200410.0.0 → 10.0.19041.1110enisa_euvdEU
Microsoft Windows 10 Version 20H210.0.0 → 10.0.19042.1110enisa_euvdEU
Microsoft Windows 10 Version 21H110.0.0 → 10.0.19043.1110enisa_euvdEU
Microsoft Windows 8.16.3.0 → 6.3.9600.20069enisa_euvdEU
Microsoft Windows Server 2012 R26.3.9600.0 → 6.3.9600.20069enisa_euvdEU
Microsoft Windows Server 2012 R2 (Server Core installation)6.3.9600.0 → 6.3.9600.20069enisa_euvdEU
Microsoft Windows Server 201610.0.14393.0 → 10.0.14393.4530enisa_euvdEU
Microsoft Windows Server 2016 (Server Core installation)10.0.14393.0 → 10.0.14393.4530enisa_euvdEU
Microsoft Windows Server 201910.0.17763.0 → 10.0.17763.2061enisa_euvdEU
Microsoft Windows Server 2019 (Server Core installation)10.0.17763.0 → 10.0.17763.2061enisa_euvdEU
Microsoft Windows Server version 200410.0.0 → 10.0.19041.1110enisa_euvdEU
Microsoft Windows Server version 20H210.0.0 → 10.0.19042.1110enisa_euvdEU
Microsoft Corp Windows 10alle Versionenfstec_bduRU
Microsoft Corp Windows 10 1607alle Versionenfstec_bduRU
Microsoft Corp Windows 10 1809alle Versionenfstec_bduRU

20 von 105 angezeigt

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

msrc_CVE-2021-33771Windows Kernel Elevation of Privilege Vulnerability2021-07-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu msrc_csaf NVD CVE.org MITRE

veröffentlicht 2021-07-14geändert 2026-08-10

Referenzen (8)

Externe Belege — Patches, Meldungen, Analysen.

scry

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