Is there a public exploit for CVE-2026-77173?

No public exploit for CVE-2026-77173 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-77173?

CVE-2026-77173 scores CVSS 4.3 (v3.0), rated medium.

4.3 Medium

A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not…

CVE-2026-77173

A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not be marked as confidential.

Assessment

CVSS: 4.3 (v3.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 27 October 2026
Last updated: 28 October 2026
Weakness: CWE-284
Assigner: support@hackerone.com

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

At the source

References

https://hackerone.com/reports/3682163

Community proofs of concept

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