CVE-2026-59268: An out-of-bounds Write vulnerability in Apache OpenOffice versions through 4.1.16 could allow an attacker to c

Routine

HIGH 7.3WATCHLIST

CVE-2026-59268 is a high-severity flaw (CVSS 7.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An out-of-bounds Write vulnerability in Apache OpenOffice versions through 4.1.16 could allow an attacker to craft a Microsoft Word document that would crash the program, or otherwise corrupt other memory areas. Users are recommended to upgrade to version 4.1.17, which fixes this issue.

Why this priority

High severity
Covered by 3 security sources
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.3 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-787
Published	2026-11-04
Last modified	2026-11-05

Publisher (CNA): Apache Software Foundation

Last updated 2026-11-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-11-04 11:17 UTCPublished CVE record published
2026-11-05 05:18 UTCUpdated Record last modified

Advisories and coverage

Research and news

Vulners Bulletins: CVE-2026-59268 2026-11-04
VulDB Recent Entries: CVE-2026-59268 | Apache OpenOffice WW8 PLCF reader heap-based overflow 2026-11-04
oss-security list: CVE-2026-59268: Apache OpenOffice: Heap out-of-bounds write in WW8 PLCF reader 2026-11-03

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-59268?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-59268 being exploited?

CVE-2026-59268 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-59268 affect?

CVE-2026-59268 affects affected software. Severity is high (CVSS 7.3). An out-of-bounds Write vulnerability in Apache OpenOffice versions through 4.1.16 could allow an attacker to craft a Microsoft Word document that would crash the program, or otherwise corrupt other memory areas. Users are recommended to up

How urgent is CVE-2026-59268?

Priority 34/100. High severity; Covered by 3 security sources; On your watchlist

References

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