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CVE-2011-1257

30
FAUCET Score

CVE-2011-1257 describes a race condition vulnerability in Microsoft Internet Explorer versions 6 through 8, impacting various Windows operating systems. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through memory corruption. With a CVSS score of 7.6, it is considered highly severe due to its network attack vector, high complexity, and complete impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

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:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.6HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
15.28%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1528 is in the 80th percentile among its peer group of 8,918 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

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/2011/ms11-057
PatchVendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12787
Tool Signature
us-cert.gov / cas/techalerts/TA11-221A.html
Third Party AdvisoryUS Government Resource