What is CVE-2016-8507?

CVE-2016-8507 is a medium-severity vulnerability in Yandex Browser, classified under Information Disclosure. CVSS score: 6.5/10. Published 2017-03-01.

How severe is CVE-2016-8507?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Yandex Browser

CVE-2016-8507

Yandex Browser for iOS before 16.10.0.2357 does not properly restrict processing of facetime:// URLs, which allows remote attackers to initiate facetime-call without user's approval and obtain video and audio data from a device via a crafted web site.

Vulnerability class: Information Disclosure

Published 2017-03-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Yandex Browser
Yandex N.v. Browser For iOS — versions before 16.10.0.2357 for iOS

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

yandex.com/blog/security-changelogs/fixed-in-version-16-10 (Vendor Advisory)
www.securityfocus.com/bid/96517 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-8507?: CVE-2016-8507 is a medium-severity vulnerability in Yandex Browser, classified under Information Disclosure. CVSS score: 6.5/10. Published 2017-03-01.
How severe is CVE-2016-8507?: Medium severity. CVSS v3 base score is 6.5 out of 10.