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Known exploited vulnerability

CVE-2019-1069

highCVSS 3.1 7.8In CISA KEVRansomwareEPSS 6.2%Published · Microsoft

The short answer

CVE-2019-1069 affects Microsoft Windows 10 Version 1703 and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-15: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

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.

Weakness: CWE-59.

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Mar 15, 2022

Federal due date Apr 5, 2022

EPSS, next 30 days

6.2%

Higher than 94% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

Windows 10 Version 1703, Windows 10 Version 1803, Windows Server, version 1803 (Server Core Installation), Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1709, Windows 10 Version 1903 for 32-bit Systems, Windows 10 Version 1903 for x64-based Systems, Windows 10 Version 1903 for ARM64-based Systems, Windows Server, version 1903 (Server Core installation). NVD's record lists the exact affected versions.

References

Questions

Is CVE-2019-1069 being exploited?

Yes. CISA added CVE-2019-1069 to its Known Exploited Vulnerabilities catalog on 2022-03-15, with a federal remediation due date of 2022-04-05. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2019-1069?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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