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kasperskyKaspersky LabKLA12577
HistoryJun 30, 2022 - 12:00 a.m.

KLA12577 PE vulnerability in Microsoft Browser

2022-06-3000:00:00
Kaspersky Lab
threats.kaspersky.com
13
microsoft
browser
kla12577
vulnerability
microsoft edge
privilege escalation

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.003

Percentile

69.7%

An elevation of privilege vulnerability was found in Microsoft Browser. Malicious users can exploit this vulnerability to gain privileges.

Original advisories

CVE-2022-33680

Related products

Microsoft-Edge

CVE list

CVE-2022-33680 critical

KB list

Solution

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)

Microsoft Edge update settings

Impacts

  • PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

  • Microsoft Edge (Chromium-based)

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.003

Percentile

69.7%