{"id":85507,"date":"2025-11-03T02:52:45","date_gmt":"2025-11-03T02:52:45","guid":{"rendered":""},"modified":"2025-11-10T21:40:22","modified_gmt":"2025-11-11T03:40:22","slug":"cve-2025-54098-windows-hyper-v-improper-access-control-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-54098-windows-hyper-v-improper-access-control-vulnerability\/","title":{"rendered":"CVE-2025-54098: Windows Hyper-V Improper Access Control Vulnerability<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The vulnerability CVE-2025-54098 pertains to improper access control found in Windows Hyper-V. If exploited, this vulnerability allows an authorized attacker to escalate privileges within a system locally. This vulnerability poses a significant threat to system administrators, data centers, cloud service providers, and any organization using Windows Hyper-V, as it can potentially lead to system<\/a> compromise and data leakage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-54098
\nSeverity: High (7.8 CVSS Score)
\nAttack Vector: Local
\nPrivileges Required: Low
\nUser Interaction: None
\nImpact: System compromise and potential data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Windows Hyper-V | All prior versions to the vendor patch<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability stems from improper access controls within Windows<\/a> Hyper-V. An authorized user can exploit this vulnerability by executing a specially crafted sequence of commands<\/a>. This sequence of commands exploits the improper access controls, allowing the attacker to escalate their privileges<\/a> within the system. Once the attacker has elevated privileges, they can potentially compromise the system or leak sensitive data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

A conceptual exploit might involve a sequence of shell commands that manipulate the access controls of Windows Hyper-V. For instance:<\/p>\n

$ Connect-HyperV -Server target.example.com\n$ New-HyperVCredential -Username attacker -Password malicious_password\n$ Grant-HyperVAccess -Credential malicious_credential -Privilege FullControl<\/code><\/pre>\n
In this hypothetical example, the attacker first connects to the Hyper-V server (`target.example.com`). They then create a new credential with their username (`attacker`) and a password (`malicious_password`). Finally, they grant themselves full control over the Hyper-V server, effectively escalating their privileges. This is a conceptual example only and does not represent real exploit code.
\nTo mitigate this vulnerability, apply the vendor patch as soon as it becomes available. In the meantime, use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The vulnerability CVE-2025-54098 pertains to improper access control found in Windows Hyper-V. If exploited, this vulnerability allows an authorized attacker to escalate privileges within a system locally. This vulnerability poses a significant threat to system administrators, data centers, cloud service providers, and any organization using Windows Hyper-V, as it can potentially lead to system […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[82],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85507","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft","attack_vector-privilege-escalation"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t