VulnerabilityAnalyzed
CVE-2026-3664
A vulnerability was determined in xlnt-community xlnt up to 1.6.1.
LOW 1.9EPSS 0.18%
Does this matter?
Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 4.0
- 1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-125
- Affected
- xlnt-community/xlnt
- Source
- cna@vuldb.com
References
- https://github.com/oneafter/0128/blob/main/xl5/reproExploit
- https://github.com/xlnt-community/xlnt/Product
- https://github.com/xlnt-community/xlnt/issues/141Exploit, Issue Tracking, Vendor Advisory
- https://github.com/xlnt-community/xlnt/pull/147Issue Tracking
- https://vuldb.com/?ctiid.349553Permissions Required, VDB Entry
- https://vuldb.com/?id.349553Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.764646Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.