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CVE-2019-0541

HIGH
8.8
CVSS Score
Published: January 8, 2019 at 09:00 PM UTC
Updated: June 17, 2026 at 02:08 AM UTC
18 products affected across 1 vendorInternet ExplorerOfficeExcel Viewer

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Severity
HIGH8.8
Exploitation
CISA KEV
Exploit prediction
EPSS 53%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score53.2%

EPSS (Exploit Prediction Scoring System) estimates a 53.2% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Nov 3, 2021
Remediation Due
May 3, 2022
1637 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2019-0541

Description

A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Internet Explorer 9, Internet Explorer 11, Microsoft Excel Viewer, Internet Explorer 10, Office 365 ProPlus.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Excel Viewer· Microsoft
95%
2007 Service Pack 32007 sp3
Internet Explorer· Microsoft
95%
10119Windows 10 Version 1607 for 32-bit SystemsWindows 10 Version 1607 for x64-based SystemsWindows 10 Version 1703 for 32-bit SystemsWindows 10 Version 1703 for x64-based SystemsWindows 10 Version 1709 for 32-bit SystemsWindows 10 Version 1709 for ARM64-based SystemsWindows 10 Version 1709 for x64-based SystemsWindows 10 Version 1803 for 32-bit SystemsWindows 10 Version 1803 for ARM64-based SystemsWindows 10 Version 1803 for x64-based SystemsWindows 10 Version 1809 for 32-bit SystemsWindows 10 Version 1809 for ARM64-based SystemsWindows 10 Version 1809 for x64-based SystemsWindows 10 for 32-bit SystemsWindows 10 for x64-based SystemsWindows 7 for 32-bit Systems Service Pack 1Windows 7 for x64-based Systems Service Pack 1Windows 8.1 for 32-bit systemsWindows 8.1 for x64-based systemsWindows RT 8.1Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2012Windows Server 2012 R2Windows Server 2016Windows Server 2019
microsoft-windows-10-1507 (environment) · microsoft-windows-10-1607 (environment) · microsoft-windows-10-1703 (environment) · microsoft-windows-10-1709 (environment) · microsoft-windows-10-1803 (environment) · microsoft-windows-10-1809 (environment) · microsoft-windows-7 (environment) · microsoft-windows-8-1 (environment) · microsoft-windows-rt-8-1 (environment) · microsoft-windows-server-2008 (environment) · microsoft-windows-server-2012 (environment) · microsoft-windows-server-2016 (environment) · microsoft-windows-server-2019 (environment)
Office· Microsoft
95%
2010 Service Pack 2 (32-bit editions)2010 Service Pack 2 (64-bit editions)2010 sp22013 RT Service Pack 12013 Service Pack 1 (32-bit editions)2013 Service Pack 1 (64-bit editions)2013 sp120162016 (32-bit edition)2016 (64-bit edition)20192019 for 32-bit editions2019 for 64-bit editions365 ProPlus for 32-bit Systems365 ProPlus for 64-bit Systems
Office 365 ProPlus· Microsoft
95%
All versions
Office Word Viewer· Microsoft
95%
All versions
Windows 10 1507· Microsoftdevice
80%
All versions
Windows 10 1607· Microsoftdevice
80%
All versions
Windows 10 1703· Microsoftdevice
80%
All versions
Windows 10 1709· Microsoftdevice
80%
All versions
Windows 10 1803· Microsoftdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/106402
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.exploit-db.com/exploits/46536/
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0541

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-77

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