PULSEUnderground Intel

LIVE18signals / 24h

FEED

ransomthegentlemen reclama a Military Sealift Command · US · Transportation/Logisticsransomthegentlemen reclama a Advantage Home Health Care · US · Healthcareransomthegentlemen reclama a Sunway Scientific · TW · Manufacturingransomqilin reclama a Cafar · AR · Agriculture and Food Productionransominterlock reclama a Centre for Newcomers · CA · Public Sectorransominterlock reclama a Paragon Store Fixtures · US · Manufacturingransomakira reclama a Westcoast Communication Services · Telecommunicationransomakira reclama a Nesco Bus Maintenance · Transportation/Logisticsransomm3rx reclama a suppcentersa.com · ZA · Business Servicesransomm3rx reclama a arambol.co.uk · GB · Not Foundransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomthegentlemen reclama a Military Sealift Command · US · Transportation/Logisticsransomthegentlemen reclama a Advantage Home Health Care · US · Healthcareransomthegentlemen reclama a Sunway Scientific · TW · Manufacturingransomqilin reclama a Cafar · AR · Agriculture and Food Productionransominterlock reclama a Centre for Newcomers · CA · Public Sectorransominterlock reclama a Paragon Store Fixtures · US · Manufacturingransomakira reclama a Westcoast Communication Services · Telecommunicationransomakira reclama a Nesco Bus Maintenance · Transportation/Logisticsransomm3rx reclama a suppcentersa.com · ZA · Business Servicesransomm3rx reclama a arambol.co.uk · GB · Not Foundransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Services

CVE Watch—

CVE-2025-21335

Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free Vulnerability

CVSS

—

No CVSS

EPSS

1.4%

p69

KEV

YES

Jan 14, 2025

Exploit Today

71

0-100

Published: — · Last modified: —

EPSS · 30d

1.4%EPSS · 30 days1.4%

2026-06-302026-07-17

KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free Vulnerability

Added to KEV

Jan 14, 2025

Remediate by

Feb 4, 2025

Known ransomware use

No

Summary description

Microsoft Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability that allows a local attacker to gain SYSTEM privileges.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-21335 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21335

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