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Wednesday, June 30, 2021

Vulnerabilities in Microsoft Print Spooler (CERT-EU Security Advisory 2021-033)

On the 8th or June 2021, Microsoft as part of the Patch Tuesday release has issues updates that addressed multiple vulnerabilities including the Windows Print Spooler Remote Code Execution Vulnerability CVE-2021-1675 with CVSS score 7.8. This vulnerability was initially rated as a low-importance elevation-of-privilege vulnerability, but on the 21th of June Microsoft reviewed the issue and labeled it as a remote code execution flaw.
Proof-of-concept exploit code for the CVE-2021-1675 flaw has been published online, the flaw impacts the Windows Print Spooler service and could be exploited to compromise Windows systems. Moreover, because normally the Spooler service is enabled by default, it is highly recommended to apply the patches as soon as possible.
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