CVE-2018-0891 json
ChakraCore, and Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Serve…
published 2018-03-14 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1682
- cvss
- 4.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.2%
- EPSS 14.2% chance of exploitation in 30 days, percentile 96%
- public exploits
- 1
- Exploit-DB
Summary
ChakraCore, and Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Internet Explorer and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allow information disclosure, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0939.
Patch / fix
Timeline
- Published
- First public exploit (EDB-44312)
Exploit prediction
14.19% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-44312 Internet Explorer - 'RegExp.lastMatch' Memory Disclosure dos, 2018-03-20
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- Microsoft Corporation ChakraCore, Microsoft Edge, Internet Explorer
Classification
- Weakness
-
- CWE-401 Missing Release of Memory after Effective Lifetime
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-0891
patch, vendor-advisory
-
exploit-db.com
/exploits/44312/
exploit, third-party-advisory, vdb-entry
-
securityfocus.com
/bid/103309
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1040507
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-0891
- NVD CVE-2018-0891
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.