CVE-2018-8253 json
An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka "Microsoft C…
published 2018-08-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19919
- cvss
- 4.6
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka "Microsoft Cortana Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10.
Patch / fix
Exploit prediction
1.93% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.6 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Microsoft Windows Server 2016
- Microsoft Windows 10
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8253
patch, vendor-advisory
-
securitytracker.com
/id/1041477
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105009
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8253
- NVD CVE-2018-8253
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.