CVE-2015-8991
Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11...
Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11.266.3 allows attackers to make the product momentarily vulnerable via executing preexisting specifically crafted malware during installation or uninstallation, but not during normal operation.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11.266.3 allows attackers to make the product momentarily vulnerable via executing preexisting specifically crafted malware during installation or uninstallation, but not during normal operation.
- Record
CVE-2015-8991- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11.266.3 allows attackers to make the product momentarily vulnerable via executing preexisting specifically crafted malware during installation or uninstallation, but not during normal operation.
- Record
CVE-2015-8991- Updated
- 2026-11-02
EUVDEUVD-2015-8845 No score
Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11.266.3 allows attackers to make the product momentarily vulnerable via executing preexisting specifically crafted malware during installation or uninstallation, but not during normal operation.
- Record
EUVD-2015-8845- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7rpp-75px-g4h2
Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11...
Malicious file execution vulnerability in Intel Security McAfee Security Scan+ (MSS+) before 3.11.266.3 allows attackers to make the product momentarily vulnerable via executing preexisting specifically crafted malware during installation or uninstallation, but not during normal operation.
- Record
GHSA-7rpp-75px-g4h2- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8991 is a high vulnerability (CVSS 7.0) in Intel Mcafee Security Scan+ (mss+), published March 14, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.