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Vulnerabilities

Vulnerability · CVE-2019-1069

Microsoft Task Scheduler Privilege Escalation Vulnerability

Published Jun 12, 2019 · catalog updated Aug 11, 2026 · Microsoft Task Scheduler

Patch now

CVE-2019-1069 is in the CISA known-exploited catalog, due Apr 5, 2022. Confirm Microsoft Task Scheduler against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
6.12%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1703 · cpe microsoft/windows 10 1709 · cpe microsoft/windows 10 1803 · cpe microsoft/windows 10 1809

An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1703version unspecified
  • cpe microsoft/windows 10 1709version unspecified
  • cpe microsoft/windows 10 1803version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 1903version unspecified
  • cpe microsoft/windows server 1803version unspecified
  • vendor Microsoft Task Schedulerversion unspecified

How to fix CVE-2019-1069

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2019-1069 is in the CISA known-exploited catalog, due Apr 5, 2022. Confirm Microsoft Task Scheduler against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-59: Link Following. EPSS 6.12%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 12, 2019 · Catalog

    Detected

    An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validat

  2. Mar 15, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 5, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Aug 11, 2026 · Catalog

    Updated

    An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validat

Sources

  • CISA KEVConfirmed exploitationCVE-2019-1069

    A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2019-1069

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-1069

    30-day exploitation probability 6.1%

    first.org
  • NIST NVDVulnerability recordCVE-2019-1069

    An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would requ

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2019-1069

    A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.