UAX200.dll in Corel Presentations 2020 20.0.0.200 is affected by an Out-of-bounds Read vulnerability when parsing a crafted file.

published 2021-10-01 5y ago modified 2026-06-17 4mo ago also EUVD-2021-24579

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

UAX200.dll in Corel Presentations 2020 20.0.0.200 is affected by an Out-of-bounds Read vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to access unauthorized system memory in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious PPT file.

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Exploit prediction

1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-125 Out-of-bounds Read

References

fortiguard.com /zeroday/FG-VD-21-034
third-party-advisory
fortinet.com /blog/threat-research/fortinet-security-researcher-discovers-multiple-vulnerabilities-across-multiple-corel-pr
third-party-advisory

Sources

CVE List CVE-2021-38106
NVD CVE-2021-38106

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