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CVE-2026-26824

PoC —
CVSS 3.1
6.5 medium
EPSS
<1%p14
Published
()
Modified
Description

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table (MSAT) in read_MSAT() is not fully initialized before being consumed by ole2_validate_sector_chain(), which may result in application crashes or potential information disclosure when processing a crafted XLS file

Vendors
libxls project
Products
libxls
Weakness
CWE-457
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

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