SB20260422152 - Multiple vulnerabilities in Oracle VM VirtualBox



SB20260422152 - Multiple vulnerabilities in Oracle VM VirtualBox

Published: April 22, 2026

Security Bulletin ID SB20260422152
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 9
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 11% Low 89%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 9 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-35250)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local privileged user to perform service disruption.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local privileged user can exploit this vulnerability to perform service disruption.


2) Improper input validation (CVE-ID: CVE-2026-35249)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local privileged user to manipulate data.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local privileged user can exploit this vulnerability to manipulate data.


3) Improper input validation (CVE-ID: CVE-2026-35248)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local privileged user to read and manipulate data.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local privileged user can exploit this vulnerability to read and manipulate data.


4) Improper input validation (CVE-ID: CVE-2026-35247)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local privileged user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local privileged user can exploit this vulnerability to gain access to sensitive information.


5) Improper input validation (CVE-ID: CVE-2026-35245)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


6) Improper input validation (CVE-ID: CVE-2026-35230)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


7) Improper input validation (CVE-ID: CVE-2026-35251)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


8) Improper input validation (CVE-ID: CVE-2026-35246)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


9) Improper input validation (CVE-ID: CVE-2026-35242)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


Remediation

Install update from vendor's website.