CVE-2021-25261 json
Local privilege vulnerability in Yandex Browser for Windows prior to 22.5.0.862 allows a local, low privileged, attacker to execute arbitar…
published 2022-06-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12172
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- yandex yandex_browser 22.5.0.862
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Yandex Browser (Desktop)
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
yandex.com
/bugbounty/i/hall-of-fame-browser/
vendor-advisory
Sources
- CVE List CVE-2021-25261
- NVD CVE-2021-25261
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