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Vulnerability record · CVE-2016-3352 · published 14 September 2016

CVE-2016-3352: Microsoft windows 10 improper authorization vulnerability

Microsoft · Windows 10

Microsoft Windows 8.1, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 do not properly check NTLM SSO requests for MSA logins, which makes it easier for remote attackers to determine passwords via a brute-force attack on NTLM password hashes, aka "Microsoft Information Disclosure Vulnerability."

8.8 CVSS 3.0 High EPSS 21% · top 2.5% CWE-285 · Improper authorization
8.8CVSS 3.0 base score, v2 4.3
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Microsoft Windows 8.1, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 do not properly check NTLM SSO requests for MSA logins, which makes it easier for remote attackers to determine passwords via a brute-force attack on NTLM password hashes, aka "Microsoft Information Disclosure Vulnerability."

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/92852
http://www.securitytracker.com/id/1036798
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-110
http://www.securityfocus.com/bid/92852
http://www.securitytracker.com/id/1036798
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-110

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

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Source: NIST National Vulnerability Database (record CVE-2016-3352), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.