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CVE-2015-6159

32
FAUCET Score

CVE-2015-6159 is a critical memory corruption vulnerability affecting Microsoft Internet Explorer 11 and Microsoft Edge. It allows remote attackers to execute arbitrary code or cause a denial of service simply by enticing a user to visit a crafted website. With a CVSS score of 9.3, this vulnerability is highly severe, requiring no authentication and having a high impact on confidentiality, integrity, and availability. While no active exploitation or public exploit code is currently identified, its high FAUCET Risk Score of 92/100 and elevated EPSS score indicate a significant potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
19.79%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1979 is in the 85th percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2015/ms15-124
docs.microsoft.com / en-us/security-updates/securitybulletins/2015/ms15-125
securitytracker.com / id/1034315
securitytracker.com / id/1034316
zerodayinitiative.com / advisories/ZDI-15-645