Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2018-0840 — Out-of-bounds Write in Microsoft Internet Explorer

CWE-787 — Out-of-bounds Write15 documents6 sources
Severity
7.5HIGHNVD
EPSS
79.7%
top 0.90%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
1
Microsoft Internet Explorer
Timeline
PublishedFeb 15
Latest updateMay 13

Description

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 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 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0…

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9

Affected Packages1 packages

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

12
GHSA
GHSA-jfgp-9fwr-x969: Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8↗2022-05-13
▶
GHSA
ChakraCore RCE Vulnerability↗2022-05-13
▶
GHSA
ChakraCore RCE Vulnerability↗2022-05-13
▶
GHSA
ChakraCore RCE Vulnerability↗2022-05-13
▶
GHSA
ChakraCore RCE Vulnerability↗2022-05-13
▶

💥Exploits & PoCs

1
Exploit-DB
Microsoft Edge Chakra JIT - ImplicitCallFlags Checks Bypass↗2018-02-15
▶

📋Vendor Advisories

1
Microsoft
Scripting Engine Memory Corruption Vulnerability↗2018-02-13
▶
CVE-2018-0840 — Out-of-bounds Write in Microsoft | cvebase