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CVE-2013-3121

37
FAUCET Score

CVE-2013-3121 is a memory corruption vulnerability affecting Microsoft Internet Explorer versions 6 through 10, allowing remote attackers to execute arbitrary code or cause a denial of service via a crafted website. With a CVSS score of 9.3 (critical), it presents a high-impact threat that can be exploited over a network with medium attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code is available in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, including reports of active attacks against a related Office vulnerability. Despite its age, its high FAUCET Risk Score of 96/100 indicates its potential severity.

Impacted Technologies

VendorProductVersion(s)CPE
6CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
8CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
9CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*

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
19.43%
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 0.1943 is in the 85th percentile among its peer group of 8,920 CVEs.

Social Chatter

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

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/2013/ms13-047
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16875
us-cert.gov / ncas/alerts/TA13-168A
Third Party AdvisoryUS Government Resource