How severe is CVE-2026-50593?

CVE-2026-50593 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2026-50593 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-50593?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-50593 have an EU (EUVD) identifier?

Yes. CVE-2026-50593 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34784.

When was CVE-2026-50593 published?

CVE-2026-50593 was published on 2026-06-05 and last updated on 2026-06-17.

CVE-2026-50593

CVE-2026-50593 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-191.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34784
Weakness: CWE-191
Published: 2026-06-05
Last modified: 2026-06-17

Description

Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within the allowed slot-map range.

Frequently asked questions

What is CVE-2026-50593?: Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within the allowed slot-map range.
How severe is CVE-2026-50593?: CVE-2026-50593 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2026-50593 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-50593?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-50593 have an EU (EUVD) identifier?: Yes. CVE-2026-50593 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34784.
When was CVE-2026-50593 published?: CVE-2026-50593 was published on 2026-06-05 and last updated on 2026-06-17.

References

Other CWE-191 (Integer Underflow) vulnerabilities

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CVE-2024-47606 — Critical (CVSS 9.8): GStreamer is a library for constructing graphs of media-handling components. An integer underflow has been detected in…

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