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CVE-2015-6055

36
FAUCET Score

CVE-2015-6055 is a critical memory corruption vulnerability affecting Microsoft VBScript and JScript engines (versions 5.7 and 5.8), as integrated into Internet Explorer 8 through 11 and other products. This flaw allows remote attackers to execute arbitrary code or trigger a denial of service by crafting malicious Filter arguments. With a CVSS score of 9.3 and a FAUCET Risk Score of 98/100, its severity is high, indicating a network-based attack with medium complexity that can lead to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, community discussion on Reddit suggests active interest in exploiting this vulnerability, despite the lack of publicly available Metasploit, Nuclei, or ExploitDB modules.

Impacted Technologies

VendorProductVersion(s)CPE
5.6CPE matchmatch criteria
cpe:2.3:a:microsoft:jscript:5.6:*:*:*:*:*:*:*
5.7CPE matchmatch criteria
cpe:2.3:a:microsoft:jscript:5.7:*:*:*:*:*:*:*
5.8CPE matchmatch criteria
cpe:2.3:a:microsoft:jscript:5.8:*:*:*:*:*:*:*
5.6CPE matchmatch criteria
cpe:2.3:a:microsoft:vbscript:5.6:*:*:*:*:*:*:*
5.7CPE matchmatch criteria
cpe:2.3:a:microsoft:vbscript:5.7:*:*:*:*:*:*:*

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
25.08%
Probability of exploitation in next 30 days
EPSS Percentile
97.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.2508 is in the 91st percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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/ms15-106
docs.microsoft.com / en-us/security-updates/securitybulletins/2015/ms15-108
securityfocus.com / bid/77010
Third Party AdvisoryVDB Entry
securitytracker.com / id/1033800
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-15-521
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-15-537
Third Party AdvisoryVDB Entry