Vulnerability identifier: #VU26835

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1001

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Windows Push Notification Service when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: 10 1803 10.0.17134.48, 10 1809 10.0.17763.1, 10 1909 10.0.18363.476, 10 1709 10.0.16299.19, 10 1903 10.0.18362.116

Windows Server: 2019 10.0.17763.1 - 2019 1909

---

External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1001

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.