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PatchSiren cyber security CVE debrief

CVE-2019-1069 Microsoft CVE debrief

CVE-2019-1069 is a Microsoft Task Scheduler privilege escalation vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2022-03-15. The KEV entry marks it as known to be used in ransomware campaigns and sets a remediation due date of 2022-04-05. The supplied corpus does not include CVSS, affected versions, or exploit mechanics, so the safest response is to treat this as a priority patch item and follow Microsoft’s update guidance.

Vendor
Microsoft
Product
Task Scheduler
CVSS
HIGH 7.8
CISA KEV
Listed
Original CVE published
2022-03-15
Original CVE updated
2022-03-15
Advisory published
2022-03-15
Advisory updated
2022-03-15

Who should care

Windows administrators, endpoint/security teams, and incident responders responsible for Microsoft patching should prioritize this CVE, especially where Task Scheduler is present on business-critical systems or where local privilege escalation would materially increase attacker impact.

Technical summary

Based on the supplied sources, CVE-2019-1069 is a Microsoft Task Scheduler privilege escalation issue. CISA’s KEV catalog lists it as actively exploited, notes known ransomware campaign use, and references the NVD record for additional detail. The corpus does not provide technical root cause, affected versions, or proof-of-concept information, so only defensive handling should be assumed.

Defensive priority

High: this is KEV-listed, marked as known ransomware campaign use, and CISA’s entry explicitly requires applying vendor updates by the due date.

Recommended defensive actions

  • Apply Microsoft updates per vendor instructions.
  • Inventory systems that include Microsoft Task Scheduler and prioritize them for remediation.
  • Confirm no hosts remain unpatched relative to the CISA KEV due date context (2022-04-05).
  • Monitor for signs of privilege escalation abuse and review administrative privilege exposure on affected systems.

Evidence notes

CISA’s Known Exploited Vulnerabilities JSON lists the vulnerability name as “Microsoft Task Scheduler Privilege Escalation Vulnerability,” vendorProject Microsoft, product Task Scheduler, dateAdded 2022-03-15, dueDate 2022-04-05, and knownRansomwareCampaignUse as “Known.” The KEV notes point to the NVD detail page. The supplied corpus does not include CVSS, affected versions, or exploit details.

Sources and references

Verified primary and authoritative sources

  • CVE-2019-1069 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-1069

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2019-1069 NVD vulnerability detail

    Publisher, destination, and source semantics verified

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

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.