CVE-2019-1109
mediumpriority · track · 37EPSS 0.042 · 91 %ileEURUUSEPSS · scored 2026-10-27
A spoofing vulnerability exists when Microsoft Office Javascript does not check the validity of the web page making a request to Office documents.An attacker who successfully exploited this vulnerability could read or write information in Office documents.The security update addresses the vulnerability by correcting the way that Microsoft Office Javascript verifies trusted web pages., aka 'Microsoft Office Spoofing Vulnerability'.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.3–9.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (18)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- http://www.microsoft.comcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-1109cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1109cnnvd
- https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2019-1109Patchcnnvd
- https://vigilance.fr/vulnerability/Microsoft-Office-vulnerabilities-of-July-2019-29720cnnvd
- https://www.securityfocus.com/bid/108965cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1109enisa_euvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1109PatchVendor Advisorynvd
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