SB20261108157 - Multiple vulnerabilities in Oracle VM VirtualBox

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Main Vulnerability Database SB20261108157

SB20261108157 - Multiple vulnerabilities in Oracle VM VirtualBox

Published: November 8, 2026

Security Bulletin ID SB20261108157
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 19
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 19 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-87279)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a local authenticated user to damange or delete data.

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 damange or delete data.


2) Improper input validation (CVE-ID: CVE-2026-87273)

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-2026-87268)

CWE-ID: CWE-20 - Improper input validation

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.


4) Improper input validation (CVE-ID: CVE-2026-87269)

CWE-ID: CWE-20 - Improper input validation

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-2026-87270)

CWE-ID: CWE-20 - Improper input validation

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.


6) Improper input validation (CVE-ID: CVE-2026-87271)

CWE-ID: CWE-20 - Improper input validation

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.


7) Improper input validation (CVE-ID: CVE-2026-87272)

CWE-ID: CWE-20 - Improper input validation

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.


8) Improper input validation (CVE-ID: CVE-2026-87276)

CWE-ID: CWE-20 - Improper input validation

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.


9) Improper input validation (CVE-ID: CVE-2026-87277)

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.


10) Improper input validation (CVE-ID: CVE-2026-87278)

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.


11) Improper input validation (CVE-ID: CVE-2026-87284)

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

CVSSv4: 4.6 [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]


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.


12) Improper input validation (CVE-ID: CVE-2026-87282)

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.


13) Improper input validation (CVE-ID: CVE-2026-87283)

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.


14) Improper input validation (CVE-ID: CVE-2026-87285)

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-2026-87267)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


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


16) Improper input validation (CVE-ID: CVE-2026-87275)

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

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


The vulnerability allows a local privileged user to read memory contents or crash the application.

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 memory contents or crash the application.


17) Improper input validation (CVE-ID: CVE-2026-87274)

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

CVSSv4: 4.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


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


18) Improper input validation (CVE-ID: CVE-2026-87280)

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

CVSSv4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:A/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.


19) Improper input validation (CVE-ID: CVE-2026-87281)

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

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/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.


Remediation

Install update from vendor's website.

References