Security readout for executives and security teams
Plain-English summary
This is an old Internet Explorer 6–8 information disclosure issue. A user could be tricked into performing drag-and-drop in a malicious web page, allowing script to read sensitive information from another domain or browser security zone. Business urgency is mainly for legacy systems still using IE 6, 7, or 8.
Executive priority
Treat this as a legacy-technology risk. It is not presented as actively exploited in the provided sources, but any remaining IE 6–8 dependency indicates broader unsupported-browser exposure and should be prioritized for retirement or containment.
Technical view
The CVE describes insufficient restriction of web script in IE 6 through 8. The disclosed vector involves user-assisted drag-and-drop, crossing domain or zone boundaries and enabling information disclosure. Microsoft tracks it under MS11-050 as the “Drag and Drop Information Disclosure Vulnerability.”
Likely exposure
Exposure is likely limited to legacy Windows environments where IE 6–8 remains installed or operational, including embedded, kiosk, VDI, or line-of-business systems. Modern browsers and fully retired IE usage are not indicated as affected by the provided sources.
Exploitation context
The bundle does not show CISA KEV listing or evidence of active exploitation. The described attack requires user assistance through a drag-and-drop interaction with attacker-controlled web content, so phishing or social engineering would be the expected context.
Researcher notes
Evidence is sparse beyond the CVE description, OVAL entry, and Microsoft bulletin reference. The affected range is IE 6 through 8, with information disclosure across domains or zones via drag-and-drop. No CVSS, CWE, exploit details, or KEV status are provided in the bundle.
Mitigation direction
- Apply Microsoft guidance and updates associated with MS11-050 where applicable.
- Retire or isolate systems that still depend on Internet Explorer 6 through 8.
- Restrict legacy browser use to trusted internal sites only.
- Use browser and endpoint controls to block untrusted web access from legacy hosts.
Validation and detection
- Inventory endpoints for Internet Explorer 6, 7, or 8 usage.
- Check patch compliance against Microsoft bulletin MS11-050.
- Review legacy application dependencies that still require old Internet Explorer versions.
- Confirm compensating controls block untrusted browsing from affected systems.
Public sources used
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
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.
CVE-2011-1258 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:12495CVE reference · vdb-entry, signature
- MS11-050CVE reference · vendor-advisory, x_refsource_MS
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.