Security readout for executives and security teams
Plain-English summary
CVE-2012-1872 is an XSS flaw in Microsoft Internet Explorer 6 through 9. A malicious page using crafted EUC-JP character sequences could run script or HTML in a user’s browser. It requires user interaction and mainly matters where legacy Internet Explorer remains in use.
Executive priority
Confirm exposure rather than assume it is gone. If IE 6-9 is absent, urgency is low. If legacy IE is still used, prioritize remediation because user-driven web content can affect data confidentiality and page integrity.
Technical view
The vulnerability is CWE-79 in Internet Explorer 6-9 character encoding handling for EUC-JP. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is most likely in legacy desktops, kiosks, VDI images, or business applications still requiring Internet Explorer 6 through 9. The bundle’s structured affected-product field is incomplete, but the CVE description explicitly names IE 6-9.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation would require a user to browse to or receive content containing crafted EUC-JP sequences. Treat exploit status as unconfirmed from this bundle.
Researcher notes
The strongest evidence in the bundle is the CVE description, CVSS vector, Microsoft bulletin reference, and OVAL signature reference. Affected-product metadata is incomplete, so avoid expanding scope beyond Internet Explorer 6 through 9 without vendor evidence.
Mitigation direction
- Identify and remove Internet Explorer 6 through 9 from active use where possible.
- Review Microsoft MS12-037 and apply the vendor-recommended security update path.
- Move legacy workflows to supported browsers or isolated compatibility environments.
- Restrict access to untrusted web content from systems that still require legacy IE.
- Document any remaining legacy-browser exception and compensating controls.
Validation and detection
- Inventory endpoints and images for Internet Explorer 6 through 9 presence.
- Check patch/compliance status against Microsoft MS12-037 guidance.
- Use the referenced OVAL definition where supported by your scanner.
- Confirm whether any business application still launches legacy IE rendering.
- Verify exception hosts have network restrictions and user-risk 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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2012-1872 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- MS12-037CVE reference · vendor-advisory, x_refsource_MS
- oval:org.mitre.oval:def:15629CVE 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.
