Security readout for executives and security teams
Plain-English summary
This flaw affects older Intel Security McAfee Security Scan+ versions. The reported risk is narrow: during installation or uninstallation, the product could execute a preexisting specially crafted malicious file. The source states this does not apply during normal operation.
Executive priority
Treat this as a targeted cleanup item, not an emergency. Prioritize identifying old MSS+ installations and updating or removing them through normal endpoint management processes.
Technical view
CVE-2015-8991 covers malicious file execution in McAfee Security Scan+ before 3.11.266.3. The vulnerable window is momentary and tied to install or uninstall workflows, with execution involving preexisting specifically crafted malware. No CVSS, CWE, or detailed root cause is provided in the source bundle.
Likely exposure
Exposure is likely limited to systems running McAfee Security Scan+ before 3.11.266.3, particularly endpoints where the product is being installed or removed while crafted malware already exists on the system.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. The reported condition requires a preexisting crafted malicious file and occurs during installation or uninstallation, not normal product use.
Researcher notes
Public data is sparse. The source bundle names affected versions and the install/uninstall condition, but does not provide CVSS, CWE, exploit maturity, root cause, indicators, or detailed remediation beyond the fixed version boundary.
Mitigation direction
- Upgrade McAfee Security Scan+ to 3.11.266.3 or later.
- Review the McAfee advisory for current vendor guidance.
- Avoid installing or uninstalling the affected version on untrusted or infected systems.
- Run endpoint malware scans before software install or removal workflows.
Validation and detection
- Inventory endpoints for McAfee Security Scan+ versions before 3.11.266.3.
- Confirm whether affected systems recently installed or uninstalled the product.
- Review endpoint security alerts around installation and uninstallation windows.
- Check vendor documentation for any additional indicators or remediation guidance.
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-2015-8991 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
- https://service.mcafee.com/webcenter/portal/cp/home/articleview?articleId=TS102462CVE reference · x_refsource_MISC
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.