CVE-2012-1854Microsoft Visual Basic for Applications Insecure Library Loading Vulnerability

BOD 26-04 remediation window

With CISA's SSVC answers for this CVE (automatable: no, technical impact: total), BOD 26-04 Table 1 gives 3 days and forensic triage on a publicly exposed asset (row 3) and 14 days on an asset that is not publicly exposed (row 11) ^S06. The catalogue due date, 14 days after the date added, was set before BOD 26-04 took effect on 10 June 2026 ^S06. The directive binds US federal civilian executive branch agencies only.

What CISA says

Short description

Microsoft Visual Basic for Applications (VBA) contains an insecure library loading vulnerability that could allow for remote code execution.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://learn.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-046 ; https://nvd.nist.gov/vuln/detail/CVE-2012-1854

CWE in the catalogue

CWE-426

Official links

• CISA KEV catalogue entry cisa.gov
• NVD record nvd.nist.gov

Vendor advisory and patch links

References NVD tags Vendor Advisory or Patch, exactly as NVD lists them.

• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-046 Mitigation, Vendor Advisory
• https://learn.microsoft.com/en-us/security-updates/SecurityBulletins/2012/ms12-046 Mitigation, Vendor Advisory

Links in CISA's notes

• https://learn.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-046
• https://nvd.nist.gov/vuln/detail/CVE-2012-1854

NVD details

CWE (NVD)

NVD-CWE-Other by nvd@nist.gov, CWE-426 by CISA ADP

CVSS vector

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

CVSS versions in NVD

V2, V31

Last modified in NVD

2026-06-16T23:40:25.993

Where each value comes from

This product uses data from the NVD API but is not endorsed or certified by the NVD. CISA does not endorse Sysprobs. Methodology.