SB20261107486 - Multiple vulnerabilities in Oracle VM VirtualBox

Main Vulnerability Database SB20261107486

SB20261107486 - Multiple vulnerabilities in Oracle VM VirtualBox

Published: November 7, 2026

Security Bulletin ID SB20261107486

CSH Severity

High

Patch available

YES

Number of vulnerabilities 21

Exploitation vector Remote access

Highest impact Code execution

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 21 vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2026-71114)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.7 [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]

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.

2) Improper input validation (CVE-ID: CVE-2026-71131)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

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

3) Improper input validation (CVE-ID: CVE-2026-71129)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

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.

4) Improper input validation (CVE-ID: CVE-2026-71130)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

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 read and manipulate data.

5) Improper input validation (CVE-ID: CVE-2026-71126)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/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.

6) Improper input validation (CVE-ID: CVE-2026-71141)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a local non-authenticated attacker to read and manipulate data.

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

7) Improper input validation (CVE-ID: CVE-2026-71116)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [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]

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-2026-71113)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [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]

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.

9) Improper input validation (CVE-ID: CVE-2026-71136)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N]

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.

10) Improper input validation (CVE-ID: CVE-2026-71138)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N]

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.

11) Improper input validation (CVE-ID: CVE-2026-71125)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local non-authenticated attacker to damange or delete data.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local non-authenticated attacker can exploit this vulnerability to damange or delete data.

12) Improper input validation (CVE-ID: CVE-2026-71140)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

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.

13) Improper input validation (CVE-ID: CVE-2026-71115)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.7 [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]

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.

14) Improper input validation (CVE-ID: CVE-2026-71127)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local privileged 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 privileged user can exploit this vulnerability to a crash the entire system.

15) Improper input validation (CVE-ID: CVE-2026-71128)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local privileged 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 privileged user can exploit this vulnerability to a crash the entire system.

16) Improper input validation (CVE-ID: CVE-2026-71135)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local privileged 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 privileged user can exploit this vulnerability to a crash the entire system.

17) Improper input validation (CVE-ID: CVE-2026-71137)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local privileged 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 privileged user can exploit this vulnerability to a crash the entire system.

18) Improper input validation (CVE-ID: CVE-2026-71134)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

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.

19) Improper input validation (CVE-ID: CVE-2026-71151)

CWE-ID: CWE-20 - Improper input validation

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

The vulnerability allows a local authenticated 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 authenticated user can exploit this vulnerability to gain access to sensitive information.

20) Improper input validation (CVE-ID: CVE-2026-71132)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

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.

21) Improper input validation (CVE-ID: CVE-2026-71139)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local privileged user 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 local privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

https://www.oracle.com/security-alerts/cspuaug2026.html