# Command injection in Microsoft Office and others CVE record · `CVE-2019-0541` - **Identifiers:** `CVE-2019-0541` - **State:** Confirmed - **Severity:** CVSS 8.8 High - **Critical:** Yes: KEV, CVSS 7+ and EPSS - **CNA:** microsoft - **Weakness (CWE):** [CWE-77](https://cwe.mitre.org/data/definitions/77.html) - **Tags:** [Command injection](https://agentprime.io/advisories/tag/command-injection.md) - **Technologies:** [Microsoft Office](https://agentprime.io/advisories/technology/microsoft-office.md) · [Microsoft Office Word Viewer](https://agentprime.io/advisories/technology/microsoft-office-word-viewer.md) · [Microsoft Internet Explorer 9](https://agentprime.io/advisories/technology/microsoft-internet-explorer-9.md) · [Microsoft Internet Explorer 11](https://agentprime.io/advisories/technology/microsoft-internet-explorer-11.md) · [Microsoft Excel Viewer](https://agentprime.io/advisories/technology/microsoft-excel-viewer.md) · [Microsoft Internet Explorer 10](https://agentprime.io/advisories/technology/microsoft-internet-explorer-10.md) - **Published:** 8 Jan 2019 - **Updated:** 21 Oct 2025 - **Reviewed by a person:** No Published by the CVE Program (CNA: microsoft) at 8 Jan 2019, 21:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Critical Critical, because: - In CISA’s KEV catalogue since 3 Nov 2021: it is known to be exploited. - CVSS score 8.8 (7.0 or more) and EPSS 0.53 (0.1 or more): a high score and a real chance of exploitation in the next 30 days. How we decide what’s critical: ## Affected products, as the CNA wrote them - Vendor: Microsoft. Product: Microsoft Office. - affected: `2010 Service Pack 2 (32-bit editions)` - affected: `2010 Service Pack 2 (64-bit editions)` - affected: `2013 RT Service Pack 1` - affected: `2013 Service Pack 1 (32-bit editions)` - affected: `2013 Service Pack 1 (64-bit editions)` - affected: `2016 (32-bit edition)` - affected: `2016 (64-bit edition)` - affected: `2019 for 32-bit editions` - affected: `2019 for 64-bit editions` - Vendor: Microsoft. Product: Microsoft Office Word Viewer. - affected: `Microsoft Office Word Viewer` - Vendor: Microsoft. Product: Internet Explorer 9. - affected: `Windows Server 2008 for 32-bit Systems Service Pack 2` - affected: `Windows Server 2008 for x64-based Systems Service Pack 2` - Vendor: Microsoft. Product: Internet Explorer 11. - affected: `Windows 10 for 32-bit Systems` - affected: `Windows 10 for x64-based Systems` - affected: `Windows 10 Version 1607 for 32-bit Systems` - affected: `Windows 10 Version 1607 for x64-based Systems` - affected: `Windows 10 Version 1703 for 32-bit Systems` - affected: `Windows 10 Version 1703 for x64-based Systems` - affected: `Windows 10 Version 1709 for 32-bit Systems` - affected: `Windows 10 Version 1709 for ARM64-based Systems` - affected: `Windows 10 Version 1709 for x64-based Systems` - affected: `Windows 10 Version 1803 for 32-bit Systems` - affected: `Windows 10 Version 1803 for ARM64-based Systems` - affected: `Windows 10 Version 1803 for x64-based Systems` - and 12 more - Vendor: Microsoft. Product: Microsoft Excel Viewer. - affected: `2007 Service Pack 3` - Vendor: Microsoft. Product: Internet Explorer 10. - affected: `Windows Server 2012` - Vendor: Microsoft. Product: Office. - affected: `365 ProPlus for 32-bit Systems` - affected: `365 ProPlus for 64-bit Systems` ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 8.8 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`, from ADP (CISA-ADP) - **CISA KEV:** Listed since 3 Nov 2021: known to be exploited. - **EPSS:** 0.53, the 98th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 8 Jan 2019. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2019-0541](https://www.cve.org/CVERecord?id=CVE-2019-0541) - [NVD: CVE-2019-0541](https://nvd.nist.gov/vuln/detail/CVE-2019-0541) ### References from the CNA - (confirm) - (vdb-entry, bid) - (exploit, exploit-db) Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .