Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-0541

CVE-2019-0541HIGH

Microsoft MSHTML

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   R  U  H  H  H    8.8   .5320   99.0   YES

AFFECTED
  Product                       Versions                                                 Fixed
  Microsoft Office              2010 Service Pack 2 (32-bit editions) –                  —
  Microsoft Office Word Viewer  Microsoft Office Word Viewer –                           —
  Internet Explorer 9           Windows Server 2008 for 32-bit Systems Service Pack 2 –  —
  Internet Explorer 11          Windows 10 for 32-bit Systems –                          —
  Microsoft Excel Viewer        2007 Service Pack 3 –                                    —
  Internet Explorer 10          Windows Server 2012 –                                    —
  Office                        365 ProPlus for 32-bit Systems –                         —

TIMELINE
  Nov 26  Reserved by microsoft
  Jan 8   Published (CNA: microsoft)
  Nov 3   Added to CISA KEV, remediation due 2022-05-03

CWE-77 · CNA: microsoft · CVSS v3.1 · 4 references · KEV due May 3, 2022

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
November 26, 2018	Reserved	Reserved by microsoft
January 8, 2019	Published	Published (CNA: microsoft)
November 3, 2021	KEV ADDED	Added to CISA KEV, remediation due 2022-05-03

Affected

Affected products and packages — 7 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Microsoft Office	—	2010 Service Pack 2 (32-bit editions)	—
Microsoft	Microsoft Office Word Viewer	—	Microsoft Office Word Viewer	—
Microsoft	Internet Explorer 9	—	Windows Server 2008 for 32-bit Systems Service Pack 2	—
Microsoft	Internet Explorer 11	—	Windows 10 for 32-bit Systems	—
Microsoft	Microsoft Excel Viewer	—	2007 Service Pack 3	—
Microsoft	Internet Explorer 10	—	Windows Server 2012	—
Microsoft	Office	—	365 ProPlus for 32-bit Systems	—

Weaknesses

CWE-77

References (4)

http://www.securityfocus.com/bid/106402 [vdb-entry, x_refsource_BID]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0541 [x_refsource_CONFIRM]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0541 [government-resource]
https://www.exploit-db.com/exploits/46536/ [exploit, x_refsource_EXPLOIT-DB]

Authoritative record: CVE-2019-0541 at cve.org

Vendors: microsoft

Weaknesses: CWE-77

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-0541 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.