SB20261110208 - Multiple vulnerabilities in Oracle VM VirtualBox

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Main Vulnerability Database SB20261110208

SB20261110208 - Multiple vulnerabilities in Oracle VM VirtualBox

Published: November 10, 2026

Security Bulletin ID SB20261110208
CSH Severity
High
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

High 17% Low 83%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-87311)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to a crash the entire system.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to a crash the entire system.


2) Improper input validation (CVE-ID: CVE-2026-87303)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to a crash the entire system.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to a crash the entire system.


3) Improper input validation (CVE-ID: CVE-2026-101599)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 5.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to execute arbitrary code.


4) Improper input validation (CVE-ID: CVE-2026-101598)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to execute arbitrary code.


5) Improper input validation (CVE-ID: CVE-2026-87301)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to read data or crash the application.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to read data or crash the application.


6) Improper input validation (CVE-ID: CVE-2026-87322)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 8.5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A remote privileged user can exploit this vulnerability to execute arbitrary code.


Remediation

Install update from vendor's website.

References