PoC Index85,100 CVEs with PoCs

CVE-2026-3665

xlnt-community xlnt XLSX File xlsx_consumer.cpp read_office_document null pointer dereference

LOW 1.9EPSS 0.2%

A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file source/detail/serialization/xlsx_consumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used.

Affected
xlnt-community · xlnt
CVSS v4.0 VULDB
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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 NVD
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v3.1 VULDB
3.3 LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v2.0 VULDB
1.7 LOWAV:L/AC:L/Au:S/C:N/I:N/A:P
EPSS
0.19% chance of exploitation in the next 30 days, 9th percentile
Published
2026-03-07
Updated
2026-03-11

Proof-of-concept exploits (1)

Security advisories

References