Buffer overflow in Microsoft Internet Explorer
CVE-2018-8122
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 11. This CVE ID is unique from CVE-2018-0945, CVE-2018-0946, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.
Vulnerability class: Buffer Overflow
EPSS: 0.154 (96.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Internet_explorer — versions 11
- Microsoft Internet Explorer 11 — versions Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-8122?
- CVE-2018-8122 is a high-severity vulnerability in Microsoft Internet Explorer, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2018-05-09.
- How severe is CVE-2018-8122?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-8122 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.