CVE-2026-26824EPSS p12.1%

CVE-2026-26824CVE-2026-26824

libxls_project / libxls

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

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS0.22% probability of exploitation · percentile 12.1% · 2026-06-18T12:00:27Z
Last modified2026-06-04

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-26825
CVE
CVE-2026-44822
CVE
CVE-2026-44824
CVE
CVE-2026-45455
CVE
CVE-2026-44823
CVE
CVE-2025-21362
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.