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CVE-2018-8653

75
FAUCET Score

CVE-2018-8653 is a critical remote code execution vulnerability affecting Internet Explorer 9, 10, and 11, stemming from a memory corruption flaw in its scripting engine. This vulnerability carries a high CVSS score of 7.5, indicating that an unauthenticated attacker can achieve full compromise of a user's system with high impact on confidentiality, integrity, and availability, though user interaction is required and attack complexity is high. Notably, this CVE has been actively exploited in the wild, as confirmed by its presence in the KEV catalog, and has garnered significant community discussion and media coverage, despite a lack of public exploit intelligence tools.

Impacted Technologies

VendorProductVersion(s)CPE
9CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
24.30%
Probability of exploitation in next 30 days
EPSS Percentile
97.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
This CVE's current EPSS score of 0.2430 is in the 91st percentile among its peer group of 1,572 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.4 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.6 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (55)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 10555-10378
View patch
microsoftpatch availablevia msrc
Product: 10336-9312
View patch
microsoftpatch availablevia msrc
Product: 10336-9318
View patch
microsoftpatch availablevia msrc
Product: 10486-10951
View patch
microsoftpatch availablevia msrc
Product: 10486-10952
View patch
microsoftpatch availablevia msrc
Product: 10486-11497
View patch
microsoftpatch availablevia msrc
Product: 10486-11498
View patch
microsoftpatch availablevia msrc
Product: 10486-11563
View patch
microsoftpatch availablevia msrc
Product: 10486-11568
View patch
microsoftpatch availablevia msrc
Product: 10486-11569
View patch
microsoftpatch availablevia msrc
Product: 10486-11570
View patch
microsoftpatch availablevia msrc
Product: 10486-11571
View patch
microsoftpatch availablevia msrc
Product: 10486-11453
View patch
microsoftpatch availablevia msrc
Product: 10486-11454
View patch
microsoftpatch availablevia msrc
Product: 10486-11583
View patch
microsoftpatch availablevia msrc
Product: 10486-10729
View patch
microsoftpatch availablevia msrc
Product: 10486-10735
View patch
microsoftpatch availablevia msrc
Product: 10486-10852
View patch
microsoftpatch availablevia msrc
Product: 10486-10853
View patch
microsoftpatch availablevia msrc
Product: 10486-10816
View patch
microsoftpatch availablevia msrc
Product: 10486-10047
View patch
microsoftpatch availablevia msrc
Product: 10486-10048
View patch
microsoftpatch availablevia msrc
Product: 10486-10481
View patch
microsoftpatch availablevia msrc
Product: 10486-10482
View patch
microsoftpatch availablevia msrc
Product: 10486-10484
microsoftpatch availablevia msrc
Product: 10486-10051
View patch
microsoftpatch availablevia msrc
Product: 10486-10483
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 10 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1803 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1809 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1809 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1809 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1709 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows RT 8.1
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows Server 2012 R2
View patch

Vendor Advisories (1)

microsoft2018-Dec/CVE-2018-8653Moderate

Scripting Engine Memory Corruption Vulnerability

Dec 11, 2018

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8653
PatchVendor Advisory
securityfocus.com / bid/106255
Broken LinkThird Party AdvisoryVDB Entry