CVE-2019-0555 json
An elevation of privilege vulnerability exists in the Microsoft XmlDocument class that could allow an attacker to escape from the AppContai…
published 2019-01-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-1325
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 85%
- public exploits
- 1
- Exploit-DB
Summary
An elevation of privilege vulnerability exists in the Microsoft XmlDocument class that could allow an attacker to escape from the AppContainer sandbox in the browser, aka "Microsoft XmlDocument Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.
Patch / fix
Timeline
- Published
- First public exploit (EDB-46185)
Exploit prediction
2.67% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-46185 Microsoft Windows 10 - XmlDocument Insecure Sharing Privilege Escalation local, 2019-01-16
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-0555
patch, vendor-advisory
-
exploit-db.com
/exploits/46185/
exploit, third-party-advisory, vdb-entry
-
securityfocus.com
/bid/106395
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2019-0555
- NVD CVE-2019-0555
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.