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CVE-2020-1012

23
FAUCET Score

CVE-2020-1012 is an elevation of privilege vulnerability in Wininit.dll affecting various Microsoft Windows and Internet Explorer versions. It allows an unauthenticated attacker to execute code with elevated permissions by tricking a user into visiting a malicious website or opening a specially crafted document. This vulnerability has a high CVSS score of 8.8 due to its network attack vector and high impact on confidentiality, integrity, and availability, though user interaction is required. There is no public exploit code available, it is not listed in CISA's KEV catalog, and community discussion and media coverage are minimal, suggesting it is not actively exploited.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.74%
Probability of exploitation in next 30 days
EPSS Percentile
88.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0374 is in the 88th percentile among its peer group of 14,855 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (65)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 10486-11766
View patch
microsoftpatch availablevia msrc
Product: 10486-11767
View patch
microsoftpatch availablevia msrc
Product: 10486-11768
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: 10486-11712
View patch
microsoftpatch availablevia msrc
Product: 10486-11713
View patch
microsoftpatch availablevia msrc
Product: 10486-11714
View patch
microsoftpatch availablevia msrc
Product: 10486-11644
View patch
microsoftpatch availablevia msrc
Product: 10486-11645
View patch
microsoftpatch availablevia msrc
Product: 10486-11646
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: 10486-10051
View patch
microsoftpatch availablevia msrc
Product: 10486-10481
View patch
microsoftpatch availablevia msrc
Product: 10486-10482
View patch
microsoftpatch availablevia msrc
Product: 10486-10378
View patch
microsoftpatch availablevia msrc
Product: 10486-10483
View patch
microsoftpatch availablevia msrc
Product: 10486-10484
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 2004 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 2004 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 2004 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 1909 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems
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 Server 2008 R2 for x64-based 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 Server 2012
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows RT 8.1

Vendor Advisories (1)

microsoft2020-Sep/CVE-2020-1012Important

WinINet API Elevation of Privilege Vulnerability

Sep 8, 2020

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2020-1012
PatchVendor Advisory