Is there a public exploit for CVE-2026-120752?

No public exploit for CVE-2026-120752 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-2026-120752?

CVE-2026-120752 scores CVSS 7.7 (v4.0), rated high.

What does CVE-2026-120752 affect?

CVE-2026-120752 affects PyMuPDF PyMuPDF.

7.7 High

PyMuPDF 1.25.3 before 2.0 contains a stack-based buffer overflow vulnerability in JMsetannotcalloutline() that copies a caller-supplied…

CVE-2026-120752

PyMuPDF 1.25.3 before 2.0 contains a stack-based buffer overflow vulnerability in JMsetannotcalloutline() that copies a caller-supplied number of callout points into a fixed three-element stack array. Attackers who control the callout argument passed to Page.addfreetextannot() can supply four or more points to overwrite the stack frame, crashing the process or executing code.

Assessment

CVSS: 7.7 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: PyMuPDF · PyMuPDF
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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