CVE-2021-25263

Description

Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory yandex.com
Affected: n/a Yandex Browser (Desktop)
Published at:
Updated at:

References

Link Tags
https://yandex.com/bugbounty/i/hall-of-fame-browser/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-25263?
CVE-2021-25263 has been scored as a high severity vulnerability.
How to fix CVE-2021-25263?
To fix CVE-2021-25263, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-25263 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-25263 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-25263?
CVE-2021-25263 affects n/a Yandex Browser (Desktop).
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