SARA / Free Tools / KEV / CVE-2019-1069

CVE-2019-1069 on CISA KEV

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

CISA KEV — Actively Exploited

Microsoft Task Scheduler Privilege Escalation Vulnerability

Vendor / Product
— / Microsoft / Task Scheduler
Added to KEV
2022-03-15
BOD 22-01 due
2022-04-05
Ransomware use
Known
CVSS / EPSS
7.8 HIGH · EPSS 30.46%

01What CISA says about this 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…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
MicrosoftWindows 10 Version 170310.0.0
MicrosoftWindows 10 Version 180310.0.0
MicrosoftWindows Server, version 1803 (Server Core Installation)10.0.0
MicrosoftWindows 10 Version 180910.0.17763.0
MicrosoftWindows 10 Version 180910.0.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
MicrosoftWindows 10 Version 1709 for 32bit Systems — 10.0.0
MicrosoftWindows 10 Version 170910.0.0
MicrosoftWindows 10 Version 1903 for 32bit Systems — 10.0.0
MicrosoftWindows 10 Version 1903 for x64based Systems — 10.0.0
MicrosoftWindows 10 Version 1903 for ARM64based Systems — 10.0.0
MicrosoftWindows Server, version 1903 (Server Core installation)10.0.0
MicrosoftWindows 10 Version 150710.0.10240.0
MicrosoftWindows 10 Version 160710.0.14393.0
MicrosoftWindows Server 201610.0.14393.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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