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CVE-2019-1069: Microsoft Task Scheduler Privilege Escalation Vulnerability

criticalknown exploitedpublic exploitCVE-2019-1069
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.
A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.

CSIRTS triage

vendor: Microsoftproduct: Windows Task SchedulerPrivilege escalation
What
A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.
Who is affected
Users of Windows Task Scheduler with unpatched systems.
Urgency
Immediate action is required as the vulnerability is actively exploited and rated critical.
Action
Install the latest updates provided by Microsoft.

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
2022-03-15
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-1069

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-2019-1069coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Task Scheduler

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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