CVE-2019-1069 | Task Scheduler Elevation of Privilege Vulnerability

Exp

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.

Published: 2019-06-12 Last update: 2025-10-29 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-1069 is rated Critical Active Threat (92.5/100): CVSS High severity, with high exploitation likelihood (EPSS 32.50%, 97th percentile). CISA KEV confirms active exploitation (added 2022-03-15) affecting Microsoft / Task Scheduler. a weakness (CWE-59) Unauthenticated remote administrative access may be possible. EPSS rose +2.41% over the last day, indicating growing attacker interest. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2019-1069

Name: Microsoft Task Scheduler Privilege Escalation Vulnerability · CISA KEV detail

Exploit added: 2022-03-15

Action due: 2022-04-05

Required action: Apply updates per vendor instructions.

Public exploit references (Exploit-DB) for CVE-2019-1069

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-1069

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-22 30.08% 32.50% +2.41%
2 2026-03-28 30.46% 30.08% -0.37%
3 2026-02-24 — 30.46% —

Full EPSS history (39 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-1069

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 5.9 [email protected]
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 5.9 [email protected]
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2019-1069

Affected software / configurations for CVE-2019-1069

Vendor Product Version Raw CPE
microsoft windows_10_1507 — cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
microsoft windows_10_1607 — cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
microsoft windows_10_1703 — cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*
microsoft windows_10_1709 — cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
microsoft windows_10_1803 — cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
microsoft windows_10_1809 — cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
microsoft windows_10_1903 — cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:*:*
microsoft windows_server_1803 — cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*
microsoft windows_server_1903 — cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:*:*
microsoft windows_server_2016 — cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoft windows_server_2019 — cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

References for CVE-2019-1069

cvelogic Threat Intelligence