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CVE Record

CVE-2026-21985: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core).

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 unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

MediumCVSS 6Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-21985 affects Oracle VM VirtualBox Core in versions 7.1.14 and 7.2.4. An attacker already holding high privileges on the host infrastructure could access critical VirtualBox data. This is not described as remote or low-privilege exploitation, but confidentiality impact can be high and scope may extend beyond VirtualBox.

Executive priority

Treat as a planned but timely remediation item. It is not described as remotely exploitable or actively exploited, but affected systems may expose critical VirtualBox-accessible data if an attacker already has high privileges.

Technical view

Oracle rates this CVSS 6.0: AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N. The flaw is locally exploitable by a high-privileged attacker with logon where VirtualBox runs. Successful exploitation may expose critical data or all data accessible to Oracle VM VirtualBox. No CWE is provided in the source bundle.

Likely exposure

Exposure is likely limited to environments running Oracle VM VirtualBox 7.1.14 or 7.2.4 where high-privileged users can log on to the host infrastructure. Internet exposure is not indicated by the CVSS vector or description.

Exploitation context

The source states the issue is easily exploitable but requires local access and high privileges. CISA KEV is false in the provided data, and no cited source claims active exploitation. The main concern is insider, compromised administrator, or post-compromise data access risk.

Researcher notes

Public details are limited to Oracle’s advisory metadata and CVSS. No CWE, root cause, proof of concept, exploit status, or fixed version detail is included in the provided bundle. Avoid assuming broader product impact beyond Oracle’s stated scope-change warning.

Mitigation direction

  • Identify Oracle VM VirtualBox 7.1.14 and 7.2.4 installations.
  • Review Oracle’s January 2026 CPU advisory for the official remediation path.
  • Apply Oracle-provided updates or mitigations applicable to VirtualBox.
  • Restrict high-privileged host access where VirtualBox runs.
  • Prioritize systems handling sensitive VM data or shared infrastructure.

Validation and detection

  • Confirm installed VirtualBox versions against Oracle’s affected version list.
  • Verify remediation status using Oracle’s advisory and local asset records.
  • Check whether high-privileged host logons are tightly controlled.
  • Review logs for unusual privileged access around VirtualBox hosts.
  • Document any remaining affected systems and business owners.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2026-21985 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N1.54Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6Medium
CVSS 3.1 vector shape for CVE-2026-21985Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationOracle VM VirtualBox7.1.14, 7.2.4Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.