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CVE Record

CVE-2011-1993: Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote att...

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "Scroll Event Remote Code Execution Vulnerability."

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2011-1993 is a legacy Internet Explorer memory handling flaw. A malicious web page could trigger use of a deleted object and run code in the browser user's context. The business risk is old Internet Explorer exposure, especially systems retained for legacy applications.

Executive priority

High priority if legacy Internet Explorer remains in use. The issue enables browser-based remote code execution, but the provided evidence does not show active exploitation. Organizations without affected Internet Explorer versions can treat this as a legacy hygiene verification item.

Technical view

The CVE describes improper object handling in memory in Internet Explorer 6 through 9, named the Scroll Event Remote Code Execution Vulnerability. The condition involves accessing a deleted object and may allow remote code execution. The provided bundle does not include CVSS, CWE, or detailed affected platform metadata.

Likely exposure

Exposure is most likely on endpoints still using Internet Explorer 6, 7, 8, or 9, or legacy applications that depend on those browsers. Modern environments without these browsers are unlikely to be affected based on the supplied sources.

Exploitation context

The source bundle states remote attackers could execute arbitrary code through the memory flaw. It does not show CISA KEV listing or any cited evidence of active exploitation. Treat exploit status as unconfirmed from the provided evidence.

Researcher notes

The bundle provides a concise CVE description, Microsoft bulletin reference, and OVAL definition, but no CVSS, CWE, or detailed affected CPE data. Analysis should remain bounded to Internet Explorer 6 through 9 and MS11-081 until vendor or scanner evidence adds detail.

Mitigation direction

  • Review Microsoft MS11-081 vendor guidance for the applicable security update.
  • Remove or retire Internet Explorer 6 through 9 where business operations allow.
  • Restrict legacy browser use to controlled, isolated systems only.
  • Prioritize replacement of applications requiring affected Internet Explorer versions.

Validation and detection

  • Inventory endpoints for Internet Explorer 6 through 9 installations or dependencies.
  • Check patch compliance against Microsoft MS11-081 applicability.
  • Use the referenced OVAL definition where supported by vulnerability scanners.
  • Confirm legacy browser access is segmented and limited to required applications.
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

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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-2011-1993 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.