⚠ Actively exploited
Added to CISA KEV on 2022-03-03. Federal agencies required to patch by 2022-03-17. Required action: Apply updates per vendor instructions..
CVE-2018-8298 — Out-of-bounds Write in Microsoft Chakracore
Severity
7.5HIGHNVD
EPSS
89.3%
top 0.46%
CISA KEV
KEV
Added 2022-03-03
Due 2022-03-17
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedJul 11
KEV addedMar 3
KEV dueMar 17
Latest updateMay 13
CISA Required Action: Apply updates per vendor instructions.
Description
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9
Affected Packages7 packages
▶CVEListV5microsoft/internet_explorer_9Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2+1
Patches
🔴Vulnerability Details
20GHSA▶
GHSA-x986-878p-w4xx: A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engin↗2022-05-13
💥Exploits & PoCs
1Exploit-DB▶
Microsoft Edge Chakra JIT - InitializeNumberFormat and InitializeDateTimeFormat Type Confusion↗2018-08-17