CVE-2025-21333

Published Jan 14, 2025

Last updated a month ago

Overview

Description
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Source
secure@microsoft.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Known exploits

Data from CISA

Vulnerability name
Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability
Exploit added on
Jan 14, 2025
Exploit action due
Feb 4, 2025
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Weaknesses

secure@microsoft.com
CWE-122
nvd@nist.gov
NVD-CWE-noinfo

Social media

Hype score
Not currently trending
  1. Actively exploited CVE : CVE-2025-21333

    @transilienceai

    15 Feb 2025

    3 Impressions

    0 Retweets

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    1 Reply

    0 Quotes

  2. Actively exploited CVE : CVE-2025-21333

    @transilienceai

    14 Feb 2025

    8 Impressions

    0 Retweets

    0 Likes

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    1 Reply

    0 Quotes

  3. Actively exploited CVE : CVE-2025-21333

    @transilienceai

    8 Feb 2025

    9 Impressions

    0 Retweets

    0 Likes

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    1 Reply

    0 Quotes

  4. 🚨 EoP - #Windows #HyperV NT Kernel Integration VSP (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) exploited in the wild - local attackers can gain SYSTEM privileges. Patch now! #Microsoft ➡️ https://t.co/1M8t70HYoi https://t.co/w4Maeg5Ipy

    @leonov_av

    6 Feb 2025

    4 Impressions

    0 Retweets

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    0 Replies

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  5. Microsoft Patchday: Drei kritische Sicherheitslücken in Hyper-V ausgenutzt Angreifer nutzen aktuell Schwachstellen in der Hyper-V-Virtualisierung, um Windows 10, 11 sowie Windows Server 2022 und 2025 zu kompromittieren. Drei als hochgefährlich eingestufte Lücken (CVE-2025-21333,

    @tec4net

    28 Jan 2025

    22 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  6. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/xGxiZwm4IP https://t.co/NIGZ3YmhVr

    @IT_Peurico

    27 Jan 2025

    17 Impressions

    0 Retweets

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  7. 🚨 ALERTE : CVE-2025-21333 sur Windows Hyper-V ! Les hackers pourraient avoir le CONTRÔLE TOTAL du système. Activé par certains utilisateurs en remplacement de VirtualBox/VMware ! 🔓 #CyberSécurité #Windows #HyperV #Hacking #RisqueSécurité #TechNews https://t.co/56xqOBGEyB

    @_F2po_

    27 Jan 2025

    21 Impressions

    0 Retweets

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    0 Replies

    0 Quotes

  8. 🚨 ALERT: CVE-2025-21333 in Windows Hyper-V! Hackers could gain FULL SYSTEM CONTROL. Users enable in replacement of VirtualBox/VMware! 🔓 #CyberSecurity #Windows #HyperV #VirtualBox #VMware #Hacking #SecurityRisk #TechNews 🔥 https://t.co/w7PutRdGUu

    @_F2po_

    27 Jan 2025

    22 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  9. 🔒 CVE-2025-21333, CVE-2025-21334 y CVE-2025-21335 ⚠️ Elevación de Privilegios en Windows Hyper-V Se han identificado vulnerabilidades críticas en Windows Hyper-V que permiten a un atacante con bajos privilegios ejecutar código malicioso.

    @BanCERT_gt

    25 Jan 2025

    17 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  10. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/xSYGdYeHGV https://t.co/JV7dEvRUxa

    @ZinoVersluys

    22 Jan 2025

    12 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  11. #DOYOUKNOWCVE CISA ALERT! CISA Adds 7 Critical Vulnerabilities to KEV Catalog: Key Insights on CVE Type, Products, EPSS Scores, Mitigation, and Impact CVE-2025-21333, CVE-2025-21334 & CVE-2025-21335 - Use-After-Free Vulnerability in Microsoft Windows Hyper-V NT Kernel… http

    @Loginsoft_Inc

    21 Jan 2025

    70 Impressions

    1 Retweet

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  12. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/50qhnYzp0g https://t.co/0UeN0bULFP

    @pcasano

    17 Jan 2025

    12 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  13. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/HKkcrpLLCu https://t.co/zOpDWHqJQp

    @pcasano

    17 Jan 2025

    17 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  14. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/frcG1bxqEB https://t.co/wnpSQFBsO9

    @TechMash365

    16 Jan 2025

    32 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  15. Latest Known Exploited Vulnerabilities (#KEV) : #CVE-2025-21333 #Microsoft #Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability https://t.co/Wj2GXNvwUj

    @ScyScan

    16 Jan 2025

    6 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  16. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/y4FIQDUqj0 https://t.co/lWUYtlcaLg

    @NickBla41002745

    16 Jan 2025

    19 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  17. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/9G0fc2zFYX https://t.co/seH41U17nk

    @Trej0Jass

    16 Jan 2025

    22 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  18. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/2cpB6GBytc https://t.co/nS6J7T70mj

    @Art_Capella

    16 Jan 2025

    23 Impressions

    0 Retweets

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    0 Replies

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  19. 🚨 ALERT: Microsoft has confirmed THREE zero-day vulnerabilities in Hyper-V, currently under attack! Here's What You Need to Know: 🔍 The Situation: - There are three new vulnerabilities (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) in Hyper-V, Microsoft's virtualization… h

    @jovinxthomas

    15 Jan 2025

    65 Impressions

    0 Retweets

    2 Likes

    0 Bookmarks

    1 Reply

    0 Quotes

  20. 🔴 Platform Name Vulnerability Type #CVE-2025-21333 (High) https://t.co/Bba50aj0Uq

    @dailycve

    15 Jan 2025

    26 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  21. CVE-2025-21333, CVE-2025-21334 et CVE-2025-21335 https://t.co/blRoP4leRv https://t.co/cIMd81nGcH

    @vernamm

    15 Jan 2025

    57 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  22. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/VJqDWiu35z https://t.co/LWvUqXp7Hk

    @ggrubamn

    15 Jan 2025

    21 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  23. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/KjmRAb8Rtm https://t.co/ZVSG4ItxQt

    @secured_cyber

    15 Jan 2025

    24 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  24. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/KFPUfJ2Ukc https://t.co/IHkL7NdnBz

    @grandpafirewall

    15 Jan 2025

    27 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  25. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/TAc1rnIuiB https://t.co/GxZzPkRJGr

    @Trej0Jass

    15 Jan 2025

    22 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  26. Microsoft’s January 2025 Patch Tuesday Addresses 157 CVEs (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) https://t.co/bz8y3BpMZF https://t.co/xsHQkYSN47

    @dansantanna

    15 Jan 2025

    35 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  27. Três falhas de Zero-Day ativamente exploradas foram corrigidas na última atualização de segurança da Microsoft. ⤷ CVE-2025-21333 ⤷ CVE-2025-21334 ⤷ CVE-2025-21335 🔗Saiba mais: https://t.co/WGPBmJgxLw #netconn #cibersegurança #Tecnologia #microsoft

    @NetconnOficial

    15 Jan 2025

    2 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  28. 🔴 Critical Alert: Microsoft has just released a massive patch for 161 vulnerabilities across its software, including 3 zero-day flaws that have been actively exploited. ⤷ CVE-2025-21333 ⤷ CVE-2025-21334 ⤷ CVE-2025-21335 Patch now: https://t.co/0herwJS73C

    @TheHackersNews

    15 Jan 2025

    57135 Impressions

    193 Retweets

    393 Likes

    98 Bookmarks

    3 Replies

    9 Quotes

  29. Microsoft January 2025 Patch Tuesday fixes 8 zero-days, 159 flaws: https://t.co/FwLRe8Hyfr Microsoft's January 2025 Patch Tuesday addresses 159 vulnerabilities, including eight zero-days, with three actively exploited. Key vulnerabilities include CVE-2025-21333, CVE-2025-21334,…

    @securityRSS

    14 Jan 2025

    25 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  30. CVE-2025-21333 Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability https://t.co/upA027Ec3z

    @CVEnew

    14 Jan 2025

    18 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  31. 🚨 1st #PatchTuesday of 2025 is here! Microsoft & 3rd-party vendors address: 159 vulnerabilities 3 zero-days (CVE-2025-21335, CVE-2025-21334, CVE-2025-21333) 3 with PoCs 10 critical flaws Visit our comprehensive summary for more information: https://t.co/r9bdB8nDkS Here's

    @Action1corp

    14 Jan 2025

    76 Impressions

    1 Retweet

    2 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

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