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Microsoft CVE-2026-87271

| EUVDEUVD-2026-79923 HIGH
2026-09-15 secalert_us@oracle.com GHSA-677j-xjcw-f42f
7.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Sep 15, 2026 - 20:51 vuln.today
CVE Published
Sep 15, 2026 - 20:19 nvd
HIGH 7.8

DescriptionNVD

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.16. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. Note: This vulnerability applies to Windows host only. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

AnalysisAI

Oracle VM VirtualBox 7.2.16 on Windows hosts contains a flaw in the Core component that lets an attacker who already holds low-privileged interactive logon on the host machine take full control of VirtualBox itself, with high impact to confidentiality, integrity, and availability (CVSS 3.1 base 7.8). The vulnerability is local-only (AV:L) and applies exclusively to Windows hosts — Linux and macOS installations are reported as unaffected. …

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CVE-2026-87271 vulnerability details – vuln.today

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