CVE-2017-0009 — Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensit

Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Microsoft Browser Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0011, CV

01What is this vulnerability?

Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Microsoft Browser Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0011, CVE-2017-0017, CVE-2017-0065, and CVE-2017-0068.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

08Timeline

• Published: 2017-03-17T00:59:00.320
• Last modified: 2026-05-13T00:24:29.033

09References

• www.security-assessment.com — http://www.security-assessment.com/files/documents/advisory/comparestring_infole…
• www.securityfocus.com — http://www.securityfocus.com/bid/96077
• www.securitytracker.com — http://www.securitytracker.com/id/1038006
• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0009
• www.security-assessment.com — http://www.security-assessment.com/files/documents/advisory/comparestring_infole…
• www.securityfocus.com — http://www.securityfocus.com/bid/96077
• www.securitytracker.com — http://www.securitytracker.com/id/1038006
• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0009