AUGUST 4, 2026
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Case File

CVE-2020-27819

MEDIUM · CVSS 5.5 EPSS 0.83%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-23 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Microsoft. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2020-27819
Severity
MEDIUM
CVSS
5.5
EPSS
0.83%
Microsoft

Original NVD Description

An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file.

Related CVEs

Other vulnerabilities affecting the same vendor(s)