The blue screen will be displayed at a remote location, and the error code kmode will be reported_ EXCEPTION_ NOT_ Handled, the DMP file has the keyword cdd dll

A long distance on the blue screen , Error code KMODE_EXCEPTION_NOT_HANDLED ,dmp The file has keywords cdd.dll

KMODE_EXCEPTION_NOT_HANDLED

cdd.dll

cdd yes Canonical Display Driver（ Standard display driver ） Abbreviation

No, it's all right , A long distance on the blue screen , Error code KMODE_EXCEPTION_NOT_HANDLED , from dmp File analysis , Follow cdd.dll （ Canonical Display Driver） of

Cloud mirror shows the vulnerability CVE-2021-40449

Found online 2021 The earliest year Canonical Display Driver The bug fix is in 7 In June, Microsoft released CVE There are in

https://www.systemtek.co.uk/2021/07/microsoft-windows-canonical-display-driver-privilege-escalation-vulnerability-cve-2021-34516/

https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=CVE-2021-34516

Microsoft is in 7 The monthly cumulative update clearly indicates the repair Windows Graphics Loophole （Graphics Follow Display Can't get rid of the relationship ）

10 Released on CVE Already contains 7 Released on CVE：

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40449

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34516

KB5006714 Follow KB5004298 The origin of can be seen from the following ：KB5004298 → KB5005076 → KB5005613 → KB5006714

https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004298

https://www.catalog.update.microsoft.com/Search.aspx?q=KB5005076

https://www.catalog.update.microsoft.com/Search.aspx?q=KB5005613

https://www.catalog.update.microsoft.com/Search.aspx?q=KB5006714