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CVE-2017-8678: Windows kernel may expose memory contents

CVE-2017-8678 · published 9 years ago

Summary

The core part of Windows in versions such as Windows 7, 8.1, 10, Windows RT 8.1, and Server 2008 can accidentally reveal bits of data stored in memory. This could let an attacker see information they should not have access to, possibly exposing sensitive details. Apply the latest security updates from Microsoft to fix the issue.

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::::::::`

Original advisory text

The Windows kernel component on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an information disclosure vulnerability when it improperly handles objects in memory, aka "Win32k Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-8677, CVE-2017-8680, CVE-2017-8681, and CVE-2017-8687.

References

http://www.securityfocus.com/bid/100769 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039325 Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8678 Patch Vendor Advisory
https://www.exploit-db.com/exploits/42750/ Exploit Third Party Advisory VDB Entry

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

5.5 Medium

Exploitation

4% chance of attack within 30 days

Type

CWE-200Information Exposure

Timeline

Published13 Sep 2017

Updated25 Oct 2026

First seen29 Sep 2026

Sources

CVE-2017-8678 · NVD

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