Critical Remote Code Execution Vulnerabilities in Windows RPC Runtime

2022-04-1309:15:00

Ben Barnea & Ophir Harpaz

www.akamai.com

134

10 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.024 Low

EPSS

Percentile

89.9%

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)