⚠ Exploited in the wild
Exploitation observed in the wild. Not yet on CISA KEV.

CVE-2018-0955 — Out-of-bounds Write in Microsoft Internet Explorer 10

CWE-787 — Out-of-bounds WriteCWE-125 — Out-of-bounds Read11 documents6 sources
Severity
7.5HIGHNVD
EPSS
18.0%
top 4.83%
CISA KEV
Not in KEV
Exploit
Exploited in wild
Active exploitation observed
Affected products
4
Microsoft Internet Explorer 10Microsoft Internet Explorer 11Microsoft Internet Explorer 9+1 more
Timeline
PublishedMay 9
Latest updateMay 13

Description

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-0945, CVE-2018-0946, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.

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 Packages4 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
▶CVEListV5microsoft/internet_explorer_10Windows Server 2012
▶CVEListV5microsoft/internet_explorer_1118 versions+17

Patches

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

🔴Vulnerability Details

9
GHSA
GHSA-cfw4-r2pg-4m94: 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
▶
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
▶

📋Vendor Advisories

1
Microsoft
Scripting Engine Memory Corruption Vulnerability↗2018-05-08
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CVE-2018-0955 — Out-of-bounds Write in Microsoft | cvebase