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CVE-2017-8592: Windows browsers can bypass security on redirect requests

CVE-2017-8592 · published 9 years ago

Summary

The web browsers built into Windows 7, Windows 8.1, Windows 10, Windows RT 8.1, and several Server versions may fail to enforce a security feature when handling redirect links. This could allow a malicious web page to bypass protections and carry out unwanted actions on the user's computer. Install the latest Windows updates or security patches to fix the problem.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
microsoft	windows_10	1511 1607 1703 `cpe:2.3:o:microsoft:windows_10:-:::::::*`
microsoft	windows_7	All versions `cpe:2.3:o:microsoft:windows_7::sp1::::::*`
microsoft	windows_8.1	All versions `cpe:2.3:o:microsoft:windows_8.1::::::::`
microsoft	windows_rt_8.1	All versions `cpe:2.3:o:microsoft:windows_rt_8.1::::::::`
microsoft	windows_server_2008	r2 `cpe:2.3:o:microsoft:windows_server_2008::sp2::::::*`
microsoft	windows_server_2012	r2 `cpe:2.3:o:microsoft:windows_server_2012:-:::::::*`
microsoft	windows_server_2016	All versions `cpe:2.3:o:microsoft:windows_server_2016::::::::`
microsoft	edge	All versions `cpe:2.3:a:microsoft:edge::::::::`
microsoft	internet_explorer	9 10 11 `cpe:2.3:a:microsoft:internet_explorer:9:::::::*`

Original advisory text

Microsoft browsers on when Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1, Windows RT 8.1, and Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow a security feature bypass vulnerability when they improperly handle redirect requests, aka "Microsoft Browser Security Feature Bypass".

References

http://www.securityfocus.com/bid/99396 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038859 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038860 Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8592 Patch Vendor Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

6.5 Medium

Exploitation

8% chance of attack within 30 days

Type

CWE-200Information Exposure

Timeline

Published11 Jul 2017

Updated15 Oct 2026

First seen29 Sep 2026

Sources

CVE-2017-8592 · NVD

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