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CVE-2021-1675: Microsoft Windows Print Spooler Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2021-1675
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution.

CSIRTS triage

vendor: Microsoftproduct: Windows Print SpoolerRemote code execution
What
The vulnerability allows for remote code execution.
Who is affected
Deployments of Microsoft Windows Print Spooler.
Urgency
Remediation is urgent as the vulnerability is actively exploited and critical.
Action
Apply the latest security updates for Windows.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-1675

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-1675coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows Print

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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