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Security Alerts

New threats emerge every day. Qualys' daily updates deliver detections for critical new vulnerabilities on the same day they appear, accompanied by structured information on threat and impact, plus links to remediation steps.

This list of critical vulnerabilities provides a sample of Qualys' continuous updating. The complete set of over 25,000 vulnerability signatures is contained in the Qualys KnowledgeBase.

November 8, 2016

Bulletins
Vulnerabilities

microsoft

adobe

October 11, 2016

Bulletins
Vulnerabilities

microsoft

adobe

September 13, 2016

Bulletins
Vulnerabilities

microsoft

adobe

August 9, 2016

Bulletins
Vulnerabilities

microsoft

July 12, 2016

Bulletins
Vulnerabilities

microsoft

adobe

June 14, 2016

Bulletins
Vulnerabilities

microsoft

adobe

May 10, 2016

Bulletins
Vulnerabilities

microsoft

adobe

April 12, 2016

Bulletins
Vulnerabilities

microsoft

samba

March 8, 2016

Bulletins
Vulnerabilities

microsoft

adobe

February 9, 2016

Bulletins
Vulnerabilities

microsoft

adobe

January 12, 2016

Bulletins
Vulnerabilities

microsoft

adobe

December 8, 2015

Bulletins
Vulnerabilities

microsoft

adobe

November 10, 2015

Bulletins
Vulnerabilities

microsoft

adobe

October 13, 2015

Bulletins
Vulnerabilities

microsoft

adobe

September 8, 2015

Bulletins
Vulnerabilities

microsoft

adobe

August 11, 2015

Bulletins
Vulnerabilities

microsoft

adobe

July 14, 2015

Bulletins
Vulnerabilities

microsoft

adobe

oracle

June 9, 2015

Bulletins
Vulnerabilities

microsoft

adobe

May 12, 2015

Bulletins
Vulnerabilities

microsoft

adobe

April 14, 2015

Bulletins
Vulnerabilities

microsoft

adobe

oracle

March 10, 2015

Bulletins
Vulnerabilities

microsoft

February 10, 2015

Bulletins
Vulnerabilities

microsoft

January 13, 2015

Bulletins
Vulnerabilities

microsoft

adobe

December 9, 2014

Bulletins
Vulnerabilities

microsoft

adobe

November 11, 2014

Bulletins
Vulnerabilities

microsoft

adobe

October 14, 2014

Bulletins
Vulnerabilities

microsoft

adobe

oracle

September 9, 2014

Bulletins
Vulnerabilities

microsoft

adobe

August 12, 2014

Bulletins
Vulnerabilities

microsoft

adobe

July 8, 2014

Bulletins
Vulnerabilities

microsoft

adobe

June 10, 2014

Bulletins
Vulnerabilities

microsoft

adobe

May 13, 2014

Bulletins
Vulnerabilities

microsoft

adobe

April 8, 2014

Bulletins
Vulnerabilities

microsoft

adobe

March 11, 2014

Bulletins
Vulnerabilities

microsoft

adobe

February 11, 2014

Bulletins
Vulnerabilities

microsoft

adobe

January 14, 2014

Bulletins
Vulnerabilities

microsoft

adobe

oracle

December 10, 2013

Bulletins
Vulnerabilities

microsoft

adobe

November 12, 2013

Bulletins
Vulnerabilities

microsoft

adobe

October 8, 2013

Bulletins
Vulnerabilities

microsoft

adobe

September 10, 2013

Bulletins
Vulnerabilities

microsoft

adobe

August 13, 2013

Bulletins
Vulnerabilities

microsoft

July 9, 2013

Bulletins
Vulnerabilities

microsoft

adobe

June 11, 2013

Bulletins
Vulnerabilities

microsoft

adobe

May 14, 2013

Bulletins
Vulnerabilities

microsoft

adobe

April 9, 2013

Bulletins
Vulnerabilities

microsoft

adobe

March 12, 2013

Bulletins
Vulnerabilities

microsoft

adobe

February 12, 2013

Bulletins
Vulnerabilities

microsoft

adobe

January 8, 2013

Bulletins
Vulnerabilities

microsoft

adobe

December 11, 2012

Bulletins
Vulnerabilities

microsoft

adobe

November 13, 2012

Bulletins
Vulnerabilities

microsoft

October 9, 2012

Bulletins
Vulnerabilities

microsoft

September 11, 2012

Bulletins
Vulnerabilities

microsoft

August 14, 2012

Bulletins
Vulnerabilities

microsoft

adobe

July 10, 2012

Bulletins
Vulnerabilities

microsoft

June 12, 2012

Bulletins
Vulnerabilities

microsoft

apple

oracle

May 8, 2012

Bulletins
Vulnerabilities

microsoft

adobe

April 10, 2012

Bulletins
Vulnerabilities

microsoft

adobe

March 13, 2012

Bulletins
Vulnerabilities

microsoft

February 14, 2012

Bulletins
Vulnerabilities

microsoft

January 10, 2012

Bulletins
Vulnerabilities

microsoft

adobe

December 13, 2011

Bulletins
Vulnerabilities

microsoft

microsoft

November 8, 2011

Bulletins
Vulnerabilities

microsoft

adobe

October 11, 2011

Bulletins
Vulnerabilities

microsoft

apple

September 13, 2011

Bulletins
Vulnerabilities

microsoft

adobe

August 9, 2011

Bulletins
Vulnerabilities

microsoft

adobe

July 12, 2011

Bulletins
Vulnerabilities

microsoft

June 14, 2011

Bulletins
Vulnerabilities

microsoft

May 10, 2011

Bulletins
Vulnerabilities

microsoft

April 12, 2011

Bulletins
Vulnerabilities

microsoft

March 8, 2011

Bulletins
Vulnerabilities

microsoft

apple

February 8, 2011

Bulletins
Vulnerabilities

microsoft

adobe

google

January 11, 2011

Bulletins
Vulnerabilities

microsoft

December 14, 2010

Bulletins
Vulnerabilities

microsoft

November 9, 2010

Bulletins
Vulnerabilities

microsoft

October 12, 2010

Bulletins
Vulnerabilities

microsoft

September 28, 2010

Bulletins
Vulnerabilities

microsoft

September 14, 2010

Bulletins
Vulnerabilities

microsoft

August 10, 2010

Bulletins
Vulnerabilities

microsoft

July 13, 2010

Bulletins
Vulnerabilities

microsoft

oracle

June 8, 2010

Bulletins
Vulnerabilities

microsoft

May 11, 2010

Bulletins
Vulnerabilities

microsoft

adobe

April 29, 2010

Bulletins
Vulnerabilities

microsoft

April 14, 2010

Bulletins
Vulnerabilities

oracle

April 13, 2010

Bulletins
Vulnerabilities

microsoft

adobe

March 30, 2010

Bulletins
Vulnerabilities

microsoft

March 9, 2010

Bulletins
Vulnerabilities

microsoft

February 9, 2010

Bulletins
Vulnerabilities

microsoft

February 3, 2010

Bulletins
Vulnerabilities

microsoft

January 21, 2010

Bulletins
Vulnerabilities

microsoft

January 14, 2010

Bulletins
Vulnerabilities

microsoft

January 12, 2010

Bulletins
Vulnerabilities

microsoft

adobe

oracle

December 8, 2009

Bulletins
Vulnerabilities

microsoft

November 10, 2009

Bulletins
Vulnerabilities

microsoft

October 13, 2009

Bulletins
Vulnerabilities

microsoft

September 8, 2009

Bulletins
Vulnerabilities

microsoft

August 11, 2009

Bulletins
Vulnerabilities

microsoft

July 28, 2009

Bulletins
Vulnerabilities

microsoft

July 14, 2009

Bulletins
Vulnerabilities

microsoft

June 9, 2009

Bulletins
Vulnerabilities

microsoft

May 12, 2009

Bulletins
Vulnerabilities

microsoft

April 14, 2009

Bulletins
Vulnerabilities

microsoft

March 10, 2009

Bulletins
Vulnerabilities

microsoft

February 10, 2009

Bulletins
Vulnerabilities

microsoft

January 13, 2009

Bulletins
Vulnerabilities

microsoft

December 9, 2008

Bulletins
Vulnerabilities

microsoft

November 11, 2008

Bulletins
Vulnerabilities

microsoft

October 23, 2008

Bulletins
Vulnerabilities

microsoft

October 14, 2008

Bulletins
Vulnerabilities

microsoft

September 9, 2008

Bulletins
Vulnerabilities

microsoft

August 12, 2008

Bulletins
Vulnerabilities

microsoft

July 8, 2008

Bulletins
Vulnerabilities

microsoft

June 10, 2008

Bulletins
Vulnerabilities

microsoft

May 13, 2008

Bulletins
Vulnerabilities

microsoft

April 8, 2008

Bulletins
Vulnerabilities

microsoft

March 11, 2008

Bulletins
Vulnerabilities

microsoft

February 12, 2008

Bulletins
Vulnerabilities

microsoft

January 8, 2008

Bulletins
Vulnerabilities

microsoft

December 11, 2007

Bulletins
Vulnerabilities

microsoft

November 13, 2007

Bulletins
Vulnerabilities

microsoft

October 9, 2007

Bulletins
Vulnerabilities

microsoft

September 11, 2007

Bulletins
Vulnerabilities

microsoft

August 14, 2007

Bulletins
Vulnerabilities

microsoft

July 10, 2007

Bulletins
Vulnerabilities

microsoft

June 12, 2007

Bulletins
Vulnerabilities

microsoft

May 8, 2007

Bulletins
Vulnerabilities

microsoft

April 10, 2007

Bulletins
Vulnerabilities

microsoft

February 13, 2007

Bulletins
Vulnerabilities

microsoft

January 9, 2007

Bulletins
Vulnerabilities

microsoft

December 12, 2006

Bulletins
Vulnerabilities

microsoft

November 14, 2006

Bulletins
Vulnerabilities

microsoft

October 10, 2006

Bulletins
Vulnerabilities

microsoft

September 28, 2006

Bulletins
Vulnerabilities

microsoft

September 27, 2006

Bulletins
Vulnerabilities

microsoft

September 12, 2006

Bulletins
Vulnerabilities

microsoft

August 8, 2006

Bulletins
Vulnerabilities

microsoft

July 11, 2006

Bulletins
Vulnerabilities

microsoft

June 13, 2006

Bulletins
Vulnerabilities

microsoft

May 9, 2006

Bulletins
Vulnerabilities

microsoft

April 11, 2006

Bulletins
Vulnerabilities

microsoft

March 14, 2006

Bulletins
Vulnerabilities

microsoft

February 14, 2006

Bulletins
Vulnerabilities

microsoft

January 10, 2006

Bulletins
Vulnerabilities

microsoft

January 5, 2006

Bulletins
Vulnerabilities

microsoft

December 13, 2005

Bulletins
Vulnerabilities

microsoft

November 8, 2005

Bulletins
Vulnerabilities

microsoft

October 11, 2005

Bulletins
Vulnerabilities

microsoft

August 9, 2005

Bulletins
Vulnerabilities

microsoft

July 12, 2005

Bulletins
Vulnerabilities

microsoft

June 14, 2005

Bulletins
Vulnerabilities

microsoft

May 9, 2005

Bulletins
Vulnerabilities

microsoft

April 12, 2005

Bulletins
Vulnerabilities

microsoft

February 8, 2005

Bulletins
Vulnerabilities

microsoft

January 11, 2005

Bulletins
Vulnerabilities

microsoft

December 14, 2004

Bulletins
Vulnerabilities

microsoft

December 1, 2004

Bulletins
Vulnerabilities

microsoft

November 9, 2004

Bulletins
Vulnerabilities

microsoft

October 12, 2004

Bulletins
Vulnerabilities

microsoft

September 14, 2004

Bulletins
Vulnerabilities

microsoft

September 1, 2004

Bulletins
Vulnerabilities

oracle

July 30, 2004

Alert

Microsoft

1

July 13, 2004

Alert

Microsoft

1

July 2, 2004

Alert

Microsoft

1

June 8, 2004

Alert

Microsoft

1

May 11, 2004

Alert

Microsoft

1

May 3, 2004

Alert

Microsoft

1

April 13, 2004

Alert

Microsoft

1

March 9, 2004

Alert

Microsoft

1

February 10, 2004

Alert

Microsoft

WINS | ASN1
2

February 2, 2004

Alert

Microsoft

1

January 28, 2004

Alert

Microsoft

1

January 26, 2004

Alert

Microsoft

1

January 13, 2004

Alert

Microsoft

1

H.323 Implementation

1

November 11, 2003

Alert

Microsoft

1

September 10, 2003

Alert

Microsoft

1

August 22, 2003

Alert

Microsoft

Nachi | Blaster
2

August 13, 2003

Alert

Microsoft

1

July 17, 2003

Alert

Microsoft

1

January 23, 2003

Alert

Microsoft

1
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