Oracle VM VirtualBox 7.1.14/7.2.4 Core Local Privilege Escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Oracle VM VirtualBox 7.1.14/7.2.4. This vulnerability affects unknown code of the component Core. Such manipulation leads to Local Privilege Escalation. This vulnerability is uniquely identified as CVE-2026-21987. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle VM VirtualBox 7.1.14/7.2.4. Affected by this issue is some unknown functionality of the component Core. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2026-21987 since 01/05/2026. The exploitation is known to be easy. The attack needs to be approached locally. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/24/2026).

The vulnerability scanner Nessus provides a plugin with the ID 296414 (Oracle VM VirtualBox (January 2026 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (296414), EUVD (EUVD-2026-3525) and CERT Bund (WID-SEC-2026-0172). Once again VulDB remains the best source for vulnerability data.

Affected

  • Oracle VM

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (oracle): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 296414
Nessus Name: Oracle VM VirtualBox (January 2026 CPU)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/05/2026 CVE reserved
01/20/2026 +15 days Advisory disclosed
01/20/2026 +0 days VulDB entry created
01/24/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2026-21987 (🔒)
GCVE (CVE): GCVE-0-2026-21987
GCVE (VulDB): GCVE-100-342092
EUVD: 🔒
CERT Bund: WID-SEC-2026-0172 - Oracle Virtualization: Mehrere Schwachstellen

Entryinfo

Created: 01/20/2026 23:51
Updated: 01/24/2026 09:19
Changes: 01/20/2026 23:51 (62), 01/21/2026 00:39 (1), 01/22/2026 09:47 (7), 01/24/2026 09:19 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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