Critical Remote Code Execution Vulnerabilities in Windows RPC Runtime

2022-04-1309:15:00

Ben Barnea & Ophir Harpaz

www.akamai.com

123

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.017 Low

EPSS

Percentile

87.5%

JSON

Microsoft?s April 2022 Patch Tuesday introduced patches to more than a hundred new vulnerabilities in various components. Three critical vulnerabilities were found and patched in Windows RPC (Remote Procedure Call) runtime: CVE-2022-24492 and CVE-2022-24528 (discovered by Yuki Chen with Cyber KunLun) CVE-2022-26809 (discovered by BugHunter010 with Kunlun)