THREATPORT/VULNERABILITY/CVE-2011-1257
HIGH SEVERITY

CVE-2011-1257

Internet Explorer vulnerability

CVSS
7.6
EPSS
15.3%
EPSS pct
96th
Exploited
No known
Race condition in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors involving access to an object, aka "Window Open Race Condition Vulnerability."
Affected vendor
Microsoft
Affected product
Internet Explorer
CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness type (CWE)
Published
2011-08-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 15.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2011-1257

  • Confirm whether Microsoft Internet Explorer is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-1257.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1257

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1257 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2011-1257?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2011-1257.

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