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Kaspersky LabKLA12511

HistoryApr 12, 2022 - 12:00 a.m.

KLA12511 Remote code execution vulnerability in Windows Apps

2022-04-1200:00:00

Kaspersky Lab

threats.kaspersky.com

microsoft

apps

vulnerability

remote code execution

cve-2022-26903

microsoft-excel

microsoft-word

malicious users

arbitrary code execution

windows update

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.424

Percentile

97.4%

JSON

Remote code execution vulnerability was found in Microsoft Apps. Malicious users can exploit this vulnerability to execute arbitrary code.

Original advisories

CVE-2022-26903

Related products

Microsoft-Excel

Microsoft-Word

CVE list

CVE-2022-26903 critical

KB list

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Affected Products

Windows Graphics ComponentMicrosoft PowerPoint MobileMicrosoft Excel MobileMicrosoft Word MobileMicrosoft Word for AndroidMicrosoft PowerPoint for AndroidMicrosoft Excel for Android