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[UPDATE] [medium] LibreOffice: Vulnerability allows unspecified attack

mediumCVE-2026-4430
A remote, anonymous attacker can exploit a vulnerability in LibreOffice to conduct an unspecified attack.

CSIRTS triage

vendor: LibreOfficeproduct: LibreOfficeOther
What
A remote, anonymous attacker can exploit a vulnerability in LibreOffice to conduct an unspecified attack.
Who is affected
Deployments of LibreOffice.
Urgency
Remediation is medium urgency due to the unspecified nature of the attack.
Action
Monitor for updates and apply patches when available.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-10
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1393

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-4430coverage & exploitation statusNVD · CVE.org

Recent advisories for LibreOffice

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories