Security readout for executives and security teams
This is a critical remote code execution flaw in Microsoft data access components. A remote attacker could send crafted XML data that causes memory corruption and arbitrary code execution. The bundle does not show active exploitation, but the impact is severe on unpatched legacy systems using the named components. Likely exposure is legacy Windows systems or applications relying on MDAC 2.8 SP1/SP2 or WDAC 6.0. Actual exposure depends on whether those components process untrusted XML data. The provided affected-product metadata is incomplete and lists vendor/product as n/a. Prioritize remediation where legacy Microsoft data access components remain in production, especially on systems exposed to untrusted input. The business risk is full system compromise on affected hosts, but active exploitation is not established by the supplied evidence. Mitigation focus: Apply Microsoft security updates associated with MS12-045 where applicable.; Prioritize internet-facing or untrusted XML processing systems using MDAC or WDAC.; Use the OVAL definition to support patch and exposure checks..
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-908: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
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Open ATT&CK lookupCVE-2012-1891 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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.
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:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- MS12-045CVE reference · vendor-advisory, x_refsource_MS
- oval:org.mitre.oval:def:14783CVE reference · vdb-entry, signature
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.
Use of Uninitialized Resource
Use of Uninitialized Resource represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.