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Microsoft Windows CloudStore Elevation of Privilege Vulnerability - CVE-2019-1321

oval:org.cisecurity:def:6608

An elevation of privilege vulnerability exists when Windows CloudStore improperly handles file Discretionary Access Control List (DACL). An attacker who successfully exploited this vulnerability could overwrite a targeted file leading to an elevated status. To exploit this vulnerability an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by correcting how Windows CloudStore handles DACLs.

Family:
windows
Status:
ACCEPTED
Platform(s):
  • Microsoft Windows 10
  • Microsoft Windows Server 2019
Class:
vulnerability
Reference(s):
  • CVE-2019-1321
  • MSRC-CVE-2019-1321
  • KB4520010
  • KB4520004
  • KB4520008
  • KB4519338
  • KB4517389
Product(s):