CVE-2021-25261 is a local privilege escalation vulnerability affecting Yandex Browser for Windows versions prior to 22.5.0.862. A low-privileged local attacker can exploit this flaw by manipulating symlinks during the update process, enabling arbitrary code execution with SYSTEM privileges. With a CVSS score of 7.8 (High), this vulnerability has a low attack complexity and can lead to high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 22.5.0.862CPE matchmatch criteria | cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.