Revision Note: V2.0 (May 18, 2016): Advisory updated to provide links to the current information regarding the use of the SHA1 hashing algorithm for the purposes of SSL and code signing. For more information, see Windows Enforcement of Authenticode Code Signing and Timestamping.
Summary...
Revision Note: V1.0 (January 12, 2016): Advisory published.
Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy no longer allows root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes of...
Revision Note: V1.0 (January 12, 2016): Advisory published.
Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy no longer allows root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes of...
Severity Rating:
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...
Severity Rating: Important
Revision Note: V1.0 (November 12, 2013): Bulletin published.
Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow denial of service when an affected web service processes a specially crafted X.509...
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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: V1.0 (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: Advisory published
Summary: Microsoft is aware that research was published at a security conference proving a successful attack against X.509 digital certificates signed using the MD5 hashing algorithm. This attack method would allow an attacker to generate additional...