CVE-2026-26824
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | n/a |
| Product | n/a |
| Published | Jun 3, 2026 |
| Last Updated | Jun 4, 2026 |
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Affected Versions
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