CVE-2019-1069
Task Scheduler Elevation of Privilege Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Task Scheduler Elevation of Privilege Vulnerability
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.
- Record
CVE-2019-1069- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - Weakness
- CWE-59
- Updated
- 2026-11-02
EUVDEUVD-2019-9651
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.
- Record
EUVD-2019-9651- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gf8w-3v8h-w6hr
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates...
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations, aka 'Task Scheduler Elevation of Privilege Vulnerability'.
- Record
GHSA-gf8w-3v8h-w6hr- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-59
- Updated
- 2026-11-02
CISA KEV No score
Microsoft Task Scheduler Privilege Escalation Vulnerability
A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.
- Record
CVE-2019-1069- Weakness
- CWE-59
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2019-1069- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-59
- Updated
- 2026-11-02
Affected products
- microsoft task scheduler
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1703
- microsoft windows 10 version 1709
- microsoft windows 10 version 1709 for 32-bit systems
- microsoft windows 10 version 1803
- microsoft windows 10 version 1809
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows server 2016
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- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server, version 1803 (server core installation)
- microsoft windows server, version 1903 (server core installation)
- microsoft windows 10
- microsoft windows 10 1507
- microsoft windows 10 1607
- microsoft windows 10 1703
- microsoft windows 10 1709
- microsoft windows 10 1803
- microsoft windows 10 1809
- microsoft windows 10 1903
- microsoft windows server 1803
- microsoft windows server 1903
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | S3cur3Th1sSh1t/SharpPolarBear | 2019-06-03 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-1069 is a high vulnerability (CVSS 7.8) in Microsoft Task Scheduler, published June 12, 2019. CISA lists it as known to be exploited, since March 15, 2022. EUVD reports exploitation since March 15, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.17%, the 93rd percentile. No source names a fixed version.
References
msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069
kb.cert.org/vuls/id/119704
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1069
blog.0patch.com/2019/06/another-task-scheduler-0day-another.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1069
nvd.nist.gov/vuln/detail/CVE-2019-1069
github.com/advisories/GHSA-gf8w-3v8h-w6hr