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Vulnerability record · CVE-2017-11827 · published 15 November 2017

CVE-2017-11827: Microsoft internet explorer memory buffer overflow vulnerability

Microsoft · Internet Explorer

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Microsoft Edge and Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows an attacker to gain the same user rights as the current user, due to how Microsoft browsers handle objects in memory, aka "Microsoft Browser Memory Corruption Vulnerability".

7.5 CVSS 3.0 High EPSS 7.6% · top 5.7% CWE-119 · Memory buffer overflow
7.5CVSS 3.0 base score, v2 9.3
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Microsoft Edge and Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows an attacker to gain the same user rights as the current user, due to how Microsoft browsers handle objects in memory, aka "Microsoft Browser Memory Corruption Vulnerability".

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/101703 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039780 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039781 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11827 PatchVendor Advisory
http://www.securityfocus.com/bid/101703 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039780 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039781 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11827 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-11827), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.