Threats / Microsoft / CVE-2019-1069
CVE-2019-1069
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Microsoft Task Scheduler vulnerability
A privilege escalation vulnerability in Microsoft Task Scheduler allows attackers to execute code with elevated privileges by exploiting improper file operation validation.
Verdict
Today item, not a backlog item.
This vulnerability enables local privilege escalation through Task Scheduler's file handling. Exploitation has been observed in active ransomware campaigns, making it a significant risk for systems where local access is possible.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
5 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-15), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.06167 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Microsoft, Task Scheduler. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-59 Link Following — weakness family: Path traversal / file.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I gain local access to a target system through initial compromise or social engineering.
Business
An attacker establishes a foothold on the network, creating risk of lateral movement and data exfiltration.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I exploit the Task Scheduler file validation flaw to escalate my privileges to SYSTEM level.
Business
The attacker obtains administrative control, enabling deployment of ransomware or persistent backdoors across critical systems.
3
Lateral reach — past segmentation narrative 3
Attacker
I deploy ransomware or malware with system-level permissions to encrypt or exfiltrate sensitive data.
Business
Operations halt, data is compromised, and the organization faces ransom demands and regulatory penalties.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05