Security readout for executives and security teams
Older Yandex Browser desktop versions had a cross-site request forgery weakness in the synchronization form. A remote attacker could use it to steal saved data from a browser profile. The known affected scope is Windows and OS X desktop versions before 16.6. Exposure is limited to legacy Yandex Browser desktop installations before 16.6 on Windows or OS X. Modern managed fleets are likely exposed only if old, unmanaged, or archived endpoint images still contain this browser version. Treat this as a targeted legacy-browser cleanup issue, not an internet-wide emergency. Prioritize if Yandex Browser was used on endpoints that stored credentials, profile data, or synchronized sensitive browsing information. Mitigation focus: Inventory Windows and OS X endpoints for Yandex Browser desktop installations.; Upgrade any version before 16.6 to 16.6 or later, confirming vendor changelog guidance.; Remove unsupported legacy browser installations where business use is not required..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-8504 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://browser.yandex.com/security/changelogs/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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