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CVE Record

CVE-2011-0658: Integer underflow in the OLE Automation protocol implementation in VBScript.dll in Microsoft Windows XP SP2...

Integer underflow in the OLE Automation protocol implementation in VBScript.dll in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted WMF file, aka "OLE Automation Underflow Vulnerability."

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability is a Windows component flaw that can let an attacker run code if a vulnerable system processes a malicious WMF image file. The main business concern is legacy Windows exposure, especially systems still handling untrusted files or email/web content.

Executive priority

Treat this as high priority only where the listed legacy Windows versions remain in service. Modernized fleets are unlikely to be materially exposed based on the provided affected versions.

Technical view

CVE-2011-0658 is an integer underflow in VBScript.dll's OLE Automation protocol implementation. The CVE description says remote attackers can execute arbitrary code through a crafted WMF file on named Windows XP, Server 2003, Vista, Server 2008, and Windows 7 releases.

Likely exposure

Exposure is most likely on legacy Windows systems listed in the CVE description, especially endpoints or servers that can receive or process untrusted WMF files. The bundle's structured affected list is generic, so validation should rely on Microsoft MS11-038 and local asset data.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVE describes remote code execution via a crafted WMF file, but no exploit status, prevalence, or observed campaign details are provided.

Researcher notes

Evidence is limited to the CVE description, Microsoft bulletin reference, and OVAL definition reference. No CVSS, CWE, exploit maturity, or detailed remediation text is included in the bundle, so avoid claims beyond affected versions, impact, and MS11-038 linkage.

Mitigation direction

  • Check Microsoft MS11-038 for the official security update and applicability guidance.
  • Prioritize remediation or isolation for affected legacy Windows systems.
  • Restrict handling of untrusted WMF files where vulnerable systems remain.
  • Reduce email, browser, and file-sharing exposure on unsupported legacy hosts.
  • Retire or upgrade affected end-of-life Windows platforms where feasible.

Validation and detection

  • Inventory systems running the Windows versions named in the CVE description.
  • Confirm whether Microsoft MS11-038 or superseding updates are installed.
  • Use the referenced OVAL definition where compatible with your scanner.
  • Review file-handling paths that process WMF content on legacy systems.
  • Document exceptions where unsupported systems cannot be patched.
Prepared
Confidence
medium
Sources
4

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution 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 lookup
cve · low confidence lookup

CVE-2011-0658 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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