Is there a public exploit for CVE-2026-115456?

No public exploit for CVE-2026-115456 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-2026-115456?

CVE-2026-115456 scores CVSS 3.7 (v3.1), rated low. EPSS puts the chance of exploitation in the next 30 days at 0.22%.

3.7 Low

A flaw was found in gcc.

CVE-2026-115456

A flaw was found in gcc. An attacker could cause a Denial of Service (DoS) by passing a string that is not null-terminated to the std::fromchars() function in the libstdc++ library. This issue triggers an out-of-bounds read beyond the allocated buffer, potentially leading to invalid data parsing or an application crash.

Assessment

CVSS: 3.7 (v3.1)
Severity: Low
EPSS: 0.22% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 30 October 2026
Last updated: 3 November 2026
Assigner: redhat

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

At the source

EUVD (ENISA)

References

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