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ExploitedIn CISA KEVFix available

CVE-2019-0541

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2019-01-08
  • WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-01-0821:29CVE publishedNVD
  2. 2019-03-13Exploit-DB entryExploit-DB
  3. 2021-11-03Added to the CISA KEV catalogCISA KEV
  4. 2021-11-03Listed as exploited by GCVEGCVE
  5. 2021-11-03Exploitation first reportedCISA KEV
  6. 2025-02-0716:21SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-0541?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-0541?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Microsoft office
BranchAffectedFixed in
2010.x= 2010no fix published
2013.x= 2013no fix published
2016.x= 2016no fix published
2019.x= 2019no fix published
Microsoft internet explorerversion to verify
BranchAffectedFixed in
11.x= 11no fix published
9.x= 9no fix published
10.x= 10no fix published
Microsoft excel viewer
BranchAffectedFixed in
2007.x= 2007no fix published

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA7 products

As microsoft, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Microsoft Office
    Affected
    • = 2010 Service Pack 2 (32-bit editions)no fix stated
    • = 2010 Service Pack 2 (64-bit editions)no fix stated
    • = 2013 RT Service Pack 1no fix stated
    • = 2013 Service Pack 1 (32-bit editions)no fix stated
    • = 2013 Service Pack 1 (64-bit editions)no fix stated
    • = 2016 (32-bit edition)no fix stated
    • = 2016 (64-bit edition)no fix stated
    • = 2019 for 32-bit editionsno fix stated

    1 more version line in the CVE record.

  • Microsoft Office Word Viewer
    Affected
    • = Microsoft Office Word Viewerno fix stated
  • Microsoft Internet Explorer 9
    Affected
    • = Windows Server 2008 for 32-bit Systems Service Pack 2no fix stated
    • = Windows Server 2008 for x64-based Systems Service Pack 2no fix stated
  • Microsoft Internet Explorer 11
    Affected
    • = Windows 10 for 32-bit Systemsno fix stated
    • = Windows 10 for x64-based Systemsno fix stated
    • = Windows 10 Version 1607 for 32-bit Systemsno fix stated
    • = Windows 10 Version 1607 for x64-based Systemsno fix stated
    • = Windows 10 Version 1703 for 32-bit Systemsno fix stated
    • = Windows 10 Version 1703 for x64-based Systemsno fix stated
    • = Windows 10 Version 1709 for 32-bit Systemsno fix stated
    • = Windows 10 Version 1709 for ARM64-based Systemsno fix stated

    16 more version lines in the CVE record.

  • Microsoft Excel Viewer
    Affected
    • = 2007 Service Pack 3no fix stated
  • Microsoft Internet Explorer 10
    Affected
    • = Windows Server 2012no fix stated

1 more product in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2019-03-14

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-46536
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2021-11-03
Patch Due Date
2022-05-03
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2019-01-08
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-f832-7fhg-m78h

Frequently asked questions

What is CVE-2019-0541?

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.

Is CVE-2019-0541 actively exploited?

Yes. CVE-2019-0541 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2019-0541?

CVE-2019-0541 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record