Security readout for executives and security teams
Plain-English summary
CVE-2015-6184 is a memory corruption flaw in Internet Explorer 7 through 11. A malicious web page using malformed CSS with HTML element changes could crash the browser or run code on the user’s system. Business urgency depends on whether any users or legacy workflows still rely on these Internet Explorer versions.
Executive priority
Treat this as high priority only if Internet Explorer 7 through 11 remains in use. For modern environments without those browsers, business urgency is low after verification. The key decision is whether legacy browser dependency still exists.
Technical view
The issue is in Internet Explorer’s CAttrArray object implementation. The CVE describes type confusion and memory corruption triggered by malformed CSS token sequences combined with HTML element modification. Microsoft tracks it under MS15-106 as an Internet Explorer Memory Corruption Vulnerability. It is distinct from CVE-2015-6048 and CVE-2015-6049.
Likely exposure
Exposure is most likely on legacy endpoints or applications that still use Internet Explorer 7 through 11 to process untrusted web content. The source bundle does not provide CPEs, deployment prevalence, or server-side exposure indicators.
Exploitation context
The bundle supports remote attack potential through crafted web content, but it does not include exploit code, observed exploitation, or campaign evidence. CISA KEV status is false, so active exploitation should not be claimed from these sources.
Researcher notes
Public details are limited in the supplied bundle. The strongest technical facts are affected IE versions, CAttrArray type confusion, malformed CSS token sequence, HTML element modification, and memory corruption impact. No CVSS, CWE, CPE, exploit status, or detailed workaround is provided.
Mitigation direction
- Apply Microsoft MS15-106 or current Microsoft guidance for affected Internet Explorer deployments.
- Inventory systems that still use Internet Explorer 7 through 11.
- Restrict affected browsers from accessing untrusted web content.
- Prioritize remediation for users with elevated privileges or sensitive data access.
Validation and detection
- Check endpoint software inventory for Internet Explorer 7 through 11 usage.
- Confirm MS15-106 or superseding Microsoft updates are installed where applicable.
- Review browser access controls for legacy systems requiring Internet Explorer.
- Document any remaining exception with owner, business need, and compensating controls.
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.
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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-6184 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
- 20160127 Microsoft Internet Explorer "CAttrArray" Type Confusion VulnerabilityCVE reference · third-party-advisory, x_refsource_IDEFENSE
- MS15-106CVE 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.