Microsoft
Microsoft Office Open XML: vulnerabilities and CVEs
Microsoft Office Open XML has 1 published vulnerabilities, 1 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.
CVEs1
Last 12 months1
Critical0
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-46722 | Medium (5.9) | 0.39% | — | May 19, 2026 | The OOXML parsing of the file indexer does not disable external entity resolution. A crafted xlsx or pptx document placed in an indexed directory can cause local files to be read or outbound HTTP requests to be… |