CVE-2026-3664
Low · 3.3CVSS
3.3
EPSS
0.2%
Published
Mar 7, 2026
CISA due date
—
The record
A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compound_document::read_directory of the file source/detail/cryptography/compound_document.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 147. Applying a patch is advised to resolve this issue.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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