Security readout for executives and security teams
CVE-2012-0158 is a Microsoft ActiveX control vulnerability that can let an attacker run code when a user opens malicious content. It matters most in environments with legacy Microsoft Office or related Microsoft components. The vulnerability is old, but CISA KEV and the CVE record support known exploitation, so remaining exposure is still operationally important. Exposure is most likely on legacy Windows endpoints or servers with affected Microsoft Office 2003, 2007, or 2010, Office Web Components, SQL Server, BizTalk, Commerce Server, Visual FoxPro, or Visual Basic 6.0 Runtime components installed. Treat this as a high-priority legacy exposure issue. It is not new, but known exploitation and potential remote code execution make unpatched systems business-relevant, especially where users handle email attachments, documents, or web content. Mitigation focus: Apply Microsoft MS12-027 updates where affected products remain in service.; Inventory systems for affected Office and Microsoft component versions.; Prioritize unsupported legacy systems for removal, isolation, or vendor-supported replacement..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2012-0158 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
CISA KEV status
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- MS12-027CVE reference · vendor-advisory, x_refsource_MS
- oval:org.mitre.oval:def:15462CVE reference · vdb-entry, signature
- ms-activex-control-code-execution(74372)CVE reference · vdb-entry, x_refsource_XF
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-0158CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.