CVE-2026-59265 Apache OpenOffice - Remote Code Execution

Apache OpenOffice <= 4.1.16 contains a remote code execution caused by Java integration processing crafted untrusted documents, letting attackers execute arbitrary code when opened by users, exploit requires user to open malicious document.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-426

Vendor fix

Upgrade to version 4.1.17 or later; disable Java runtime integration as a temporary mitigation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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