digital certificates

Revision Note: V1.0 (September 24, 2015): Advisory published. Summary: Microsoft is aware of four digital certificates that were inadvertently disclosed by D-Link Corporation that could be used in attempts to spoof content. The disclosed end-entity certificates cannot be used to issue other...

Revision Note: V1.0 (September 24, 2015): Advisory published. Summary: Microsoft is aware of four digital certificates that were inadvertently disclosed by D-Link Corporation that could be used in attempts to spoof content. The disclosed end-entity certificates cannot be used to issue other...

Original release date: April 30, 2015 Systems Affected Networked systems Overview Securing end-to-end communications plays an important role in protecting privacy and preventing some forms of man-in-the-middle (MITM) attacks. Recently, researchers described a MITM attack used to inject...

Revision Note: V1.0 (March 24, 2015): Advisory published. Summary: Microsoft is aware of improperly issued digital certificates coming from the subordinate CA, MCS Holdings, which could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. The...

Revision Note: V1.0 (March 16, 2015): Advisory published. Summary: Microsoft is aware of an improperly issued SSL certificate for the domain “live.fi” that could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. This issue affects all supported...

Revision Note: V1.0 (March 16, 2015): Advisory published. Summary: Microsoft is aware of an improperly issued SSL certificate for the domain “live.fi” that could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. This issue affects all supported...

Today, we are updating the Certificate Trust List (CTL) for all supported releases of Microsoft Windows to remove the trust of mis-issued third-party digital certificates. These certificates could be used to spoof content and perform phishing or man-in-the-middle attacks against web properties...

Link Removed

Revision Note: V1.0 (July 10, 2014): Advisory published. Summary: Microsoft is aware of improperly issued SSL certificates that could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. The SSL certificates were improperly issued by the National...

Severity Rating: Revision Note: V2.0 (December 11, 2012): Added the KB2687627 and KB2687497 updates described in MS12-043, the KB2687501 and KB2687510 updates described in MS12-057, the KB2687508 update described in MS12-059, and the KB2726929 update described in MS12-060 to the list of...

Severity Rating: Revision Note: V1.1 (January 14, 2013): Corrected the disallowed certificate list effective date to "Monday, December 31, 2012 (or later)" in the FAQ entry, "After applying the update, how can I verify the certificates in the Microsoft Untrusted Certificates Store?" Summary...

Severity Rating: Revision Note: V1.1 (June 13, 2012): Advisory revised to notify customers that Windows Mobile 6.x, Windows Phone 7, and Windows Phone 7.5 devices are not affected by the issue. Summary: Microsoft is aware of active attacks using three unauthorized digital certificates derived...

Link Removed

Revision Note: V1.0 (December 9, 2013): Advisory published. Summary: Microsoft is aware of an improperly issued subordinate CA certificate that could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. The subordinate CA certificate was...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes...

Revision Note: V1.1 (August 13, 2013): Added the 2862966 and 2862973 updates to the Available Updates and Release Notes section. Summary: Microsoft is announcing the availability of updates as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Microsoft...

Revision Note: V1.0 (June 11, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Over the course of months, Microsoft will continue to announce additional...

Revision Note: V1.2 (September 5, 2012): Corrected the common name for the "CN=Microsoft Online Svcs BPOS APAC CA4" certificate issued by Microsoft Services PCA. Summary: Microsoft is aware of Microsoft certificate authorities that are outside our recommended secure storage practices. Upon a...

Revision Note: V2.0 (December 11, 2012): Added the KB2687627 and KB2687497 updates described in MS12-043, the KB2687501 and KB2687510 updates described in MS12-057, the KB2687508 update described in MS12-059, and the KB2726929 update described in MS12-060 to the list of available rereleases...

Revision Note: V1.0 (June 11, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Over the course of months, Microsoft will continue to announce additional...