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Full vulnerability report · 2022
CVE-2022-24539High confidence

Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

Microsoft · Windows Server 2019

8.1HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2022-29419

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

What

Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may obtain information outside the intended access boundary.

What

Windows Hyper-V Shared Virtual Hard Disks Information Disclosure Vulnerability

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may obtain information outside the intended access boundary.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → vulnerable operation → obtain information outside the intended access boundary
Attack surface
Network
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration.
CWE not yet assigned
CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
Network
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

Cyber Security Agency of Singapore · English · CSA-SB-20220420Security Bulletin 20 Apr 2022

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 20 Apr 2022, published on 20 April 2022. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2022-AVI-335Multiples vulnérabilités dans Microsoft Windows

4533 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24533 Bulletin de sécurité Microsoft CVE-2022-24534 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24534 Bulletin de sécurité Microsoft CVE-2022-24536 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24536 Bulletin de sécurité Microsoft CVE-2022-24537 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24537 Bulletin de sécurité Microsoft CVE-2022-24538 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24538 Bulletin de sécurité Microsoft CVE-2022-24539 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24539 Bulletin de sécurité Microsoft CVE-2022-24540 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24540 Bulletin de sécurité Microsoft CVE-2022-24541 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24541 Bulletin de sécurité Microsoft CVE-2022-24542 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24542 Bulletin de sécurité Microsoft CVE-2022-24543 du 12 avril 2022 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24543 Bulletin de sécurité Microsoft CVE-

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001664Microsoft Windows Server における情報を公開される脆弱性

Microsoft Windows Server には、Windows Hyper-V 共有仮想ハードディスクに不備があるため、情報を公開される脆弱性が存在します。 本脆弱性は、CVE-2022-24539、CVE-2022-26783、CVE-2022-26785 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001650Microsoft Windows Server における情報を公開される脆弱性

Microsoft Windows Server には、Windows Hyper-V 共有仮想ハードディスクに不備があるため、情報を公開される脆弱性が存在します。 本脆弱性は、CVE-2022-24490、CVE-2022-26783、CVE-2022-26785 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001626Microsoft Windows Server における情報を公開される脆弱性

Microsoft Windows Server には、Windows Hyper-V 共有仮想ハードディスクに不備があるため、情報を公開される脆弱性が存在します。 本脆弱性は、CVE-2022-24490、CVE-2022-24539、CVE-2022-26783 とは異なる脆弱性です。

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-001624Microsoft Windows Server における情報を公開される脆弱性

Microsoft Windows Server には、Windows Hyper-V 共有仮想ハードディスクに不備があるため、情報を公開される脆弱性が存在します。 本脆弱性は、CVE-2022-24490、CVE-2022-24539、CVE-2022-26785 とは異なる脆弱性です。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-5571MS 4월 보안 위협에 따른 정기 보안 업데이트 권고

AppX Package Manager CVE-2022-24549 Windows AppX 패키지 관리자 권한 상승 취약성 Windows Defender CVE-2022-24548 Microsoft Defender 서비스 거부 취약성 Windows Media CVE-2022-24547 Windows 디지털 미디어 수신기 권한 상승 취약성 Windows DWM Core Library CVE-2022-24546 Windows DWM 핵심 라이브러리 권한 상승 취약성 Windows Kerberos CVE-2022-24545 Windows Kerberos 원격 코드 실행 취약성 Windows Kerberos CVE-2022-24544 Windows Kerberos 권한 상승 취약성 Windows Upgrade Assistant CVE-2022-24543 Windows 업그레이드 도우미 원격 코드 실행 취약성 Windows Win32K CVE-2022-24542 Windows Win32k 권한 상승 취약성 Windows SMB CVE-2022-24541 Windows Server 서비스 원격 코드 실행 취약성 Microsoft Windows ALPC CVE-2022-24540 Windows ALPC 권한 상승 취약성 Role: Windows Hyper-V CVE-2022-24539 Windows Hyper-V 공유 가상 하드 디스크 정보 공개 취약성 Windows Cluster Shared Volume (CSV) CVE-2022-24538 Windows CSV(클러스터 공유 볼륨) 서비스 거부 취약성 Role: Windows Hyper-V CVE-2022-24537 Windows Hyper-V 원격 코드 실행 취약성 Role: DNS Server CVE-2022-24536 Windows DNS 서버 원격 코드 실행 취약성 Windows SMB CVE-2022-24534 Win32 스트림 열거 원격 코드 실행 취약성 Windows RDP CVE-2022-24533 원격 데스크톱 프로토콜 원격 코드 실행 취약성 Microsoft Windows Codecs Library CVE-2022-24532 HEVC 비디오 확장 원격 코드 실행 취약성 Windows Installer CVE-2022-24530 Windows Installer 권한 상승 취약성 Windows Remote Procedure Call Runtime CVE-2022-24528 원격 프로시저 호출 런타임 원격 코드 실행 취약성 Windows Endpoint Configuration Manager CVE-2022-24527 Windows 끝점 구성 관리자 권한 상승

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix not verified
Affected
  • Windows Server 2019: 10.0.17763.0 < 10.0.17763.2803
  • Windows Server 2019 (Server Core installation): 10.0.17763.0 < 10.0.17763.2803
  • Windows Server 2022: 10.0.20348.0 < 10.0.20348.643
  • Windows Server version 20H2: 10.0.0 < 10.0.19042.1645
  • Windows Server 2016: 10.0.14393.0 < 10.0.14393.5066
  • Windows Server 2016 (Server Core installation): 10.0.14393.0 < 10.0.14393.5066
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 15 Apr 2022 · Last source change 9 Dec 2025, 21:23 UTC · CWE not yet assigned

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2022-29419
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceUnavailable
NVD statusNVD modified after enrichment

Missing structured fields: CWE classification. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2022-29419↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2022-24539 · cve.blacktree.nl