CVE-2021-25261

HIGH
Published Jun 15, 20224y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Jun 15, 2022 4y ago
Last Modified Jun 17, 2026 1w ago

Description

Local privilege vulnerability in Yandex Browser for Windows prior to 22.5.0.862 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating symlinks to installation file during Yandex Browser update process.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-59

Affected Products 2

VendorProductVersionRange
yandexyandex_browser* <22.5.0.862
microsoftwindows*any

References 1

  • yandex.com https://yandex.com/bugbounty/i/hall-of-fame-browser/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.