HIGH KEV
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
Published Jan 8, 2019 ·Due May 3, 2022
8.8
HIGHCVSS 3.1
EPSS 53.20%
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 products
-
- Version Windows Server 2012StatusaffectedConstraints-
- Version
-
- Version Windows 10 Version 1607 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1607 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1703 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1703 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1709 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1709 for ARM64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1709 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1803 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1803 for ARM64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1809 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1809 for ARM64-based SystemsStatusaffectedConstraints-
- Version Windows 10 Version 1809 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 10 for 32-bit SystemsStatusaffectedConstraints-
- Version Windows 10 for x64-based SystemsStatusaffectedConstraints-
- Version Windows 7 for 32-bit Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 7 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows 8.1 for 32-bit systemsStatusaffectedConstraints-
- Version Windows 8.1 for x64-based systemsStatusaffectedConstraints-
- Version Windows RT 8.1StatusaffectedConstraints-
- Version Windows Server 2008 R2 for x64-based Systems Service Pack 1StatusaffectedConstraints-
- Version Windows Server 2012 R2StatusaffectedConstraints-
- Version Windows Server 2016StatusaffectedConstraints-
- Version Windows Server 2019StatusaffectedConstraints-
- Version
-
- Version Windows Server 2008 for 32-bit Systems Service Pack 2StatusaffectedConstraints-
- Version Windows Server 2008 for x64-based Systems Service Pack 2StatusaffectedConstraints-
- Version
-
- Version 2007 Service Pack 3StatusaffectedConstraints-
- Version
-
- Version 2010 Service Pack 2 (32-bit editions)StatusaffectedConstraints-
- Version 2010 Service Pack 2 (64-bit editions)StatusaffectedConstraints-
- Version 2013 RT Service Pack 1StatusaffectedConstraints-
- Version 2013 Service Pack 1 (32-bit editions)StatusaffectedConstraints-
- Version 2013 Service Pack 1 (64-bit editions)StatusaffectedConstraints-
- Version 2016 (32-bit edition)StatusaffectedConstraints-
- Version 2016 (64-bit edition)StatusaffectedConstraints-
- Version 2019 for 32-bit editionsStatusaffectedConstraints-
- Version 2019 for 64-bit editionsStatusaffectedConstraints-
- Version
-
- Version Microsoft Office Word ViewerStatusaffectedConstraints-
- Version
-
- Version 365 ProPlus for 32-bit SystemsStatusaffectedConstraints-
- Version 365 ProPlus for 64-bit SystemsStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Internet Explorer 10 | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Internet Explorer 11 | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Internet Explorer 9 | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft Excel Viewer | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft Office | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Microsoft Office Word Viewer | n/a |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microsoft | Office | n/a |
|
Configuration 1
AND
- 11
Running on/with
OR
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- r2
- r2
- n/a
- n/a
Configuration 2
OR
- 2007
- 2010
- 2013
- 2013
- 2016
- 2019
- n/a
- n/a
Configuration 3
AND
- 9
Running on/with
- n/a
Configuration 4
AND
- 10
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
8.8 HIGH NVD
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
No CVSS v3.0 score for this CVE.
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
Listed in CISA KEV KEV
Date Added
Nov 3, 2021
Patch Due
May 3, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Feb 7, 2025 · SSVC 2.0.3
53.20% 0.53202
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.53202
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (29 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 53.20% (0.53202) | 98.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 53.20% (0.53202) | 98.84th | v5 (v2026.06.15) |
| May 29, 2026 | 87.17% (0.87167) | 99.46th | v4 (v2025.03.14) |
| Mar 20, 2026 | 83.39% (0.83394) | 99.26th | v4 (v2025.03.14) |
| Nov 21, 2025 | 81.29% (0.81294) | 99.12th | v4 (v2025.03.14) |
| Nov 18, 2025 | 83.55% (0.83549) | 99.36th | v4 (v2025.03.14) |
| Oct 30, 2025 | 81.29% (0.81294) | 99.12th | v4 (v2025.03.14) |
| Mar 19, 2025 | 84.39% (0.84385) | 99.28th | v4 (v2025.03.14) |
| Mar 17, 2025 | 82.71% (0.82713) | 99.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.35% (0.97348) | 99.92th | v3 (v2023.03.01) |
| May 31, 2024 | 97.33% (0.97334) | 99.89th | v3 (v2023.03.01) |
| Apr 1, 2024 | 97.34% (0.97344) | 99.89th | v3 (v2023.03.01) |
| Jan 2, 2024 | 97.30% (0.97300) | 99.85th | v3 (v2023.03.01) |
| Nov 14, 2023 | 97.36% (0.97359) | 99.88th | v3 (v2023.03.01) |
| Aug 4, 2023 | 97.33% (0.97331) | 99.81th | v3 (v2023.03.01) |
| May 22, 2023 | 97.34% (0.97345) | 99.81th | v3 (v2023.03.01) |
| Apr 19, 2023 | 97.25% (0.97248) | 99.71th | v3 (v2023.03.01) |
| Mar 20, 2023 | 97.19% (0.97187) | 99.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.32% (0.97319) | 99.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 54.58% (0.54579) | 98.80th | v2 (v2022.01.01) |
| Feb 8, 2023 | 54.58% (0.54579) | 98.78th | v2 (v2022.01.01) |
| Dec 25, 2022 | 53.07% (0.53072) | 98.74th | v2 (v2022.01.01) |
| Nov 21, 2022 | 53.86% (0.53859) | 98.74th | v2 (v2022.01.01) |
| Jul 5, 2022 | 56.68% (0.56683) | 98.73th | v2 (v2022.01.01) |
| Apr 1, 2022 | 58.50% (0.58500) | 98.73th | v2 (v2022.01.01) |
| Feb 4, 2022 | 87.85% (0.87854) | 99.74th | v2 (v2022.01.01) |
| Feb 3, 2022 | 48.85% (0.48848) | 98.99th | v1 |
| Sep 1, 2021 | 48.85% (0.48848) | 99.60th | v1 |
| Apr 14, 2021 | 48.85% (0.48848) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://www.securityfocus.com/bid/106402 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541 x_refsource_CONFIRMPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0541 government-resourceUS Government Resource
- https://www.exploit-db.com/exploits/46536/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/106402 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0541 | government-resourceUS Government Resource | |
| https://www.exploit-db.com/exploits/46536/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jan 8, 2019
Updated Oct 21, 2025
Reserved Nov 26, 2018
Link CVE-2019-0541
CISA Vulnrichment
Updated Feb 7, 2025