How severe is CVE-2026-33851?

CVE-2026-33851 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33851 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-2026-33851?

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-2026-33851 have an EU (EUVD) identifier?

Yes. CVE-2026-33851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14754.

When was CVE-2026-33851 published?

CVE-2026-33851 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2026-33851

CVE-2026-33851 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14754
Weakness: CWE-119
Published: 2026-03-24
Last modified: 2026-06-17

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in joncampbell123 doslib.This issue affects doslib: before doslib-20250729.

Frequently asked questions

What is CVE-2026-33851?: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in joncampbell123 doslib.This issue affects doslib: before doslib-20250729.
How severe is CVE-2026-33851?: CVE-2026-33851 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33851 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-2026-33851?: 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-2026-33851 have an EU (EUVD) identifier?: Yes. CVE-2026-33851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14754.
When was CVE-2026-33851 published?: CVE-2026-33851 was published on 2026-03-24 and last updated on 2026-06-17.

References

https://github.com/joncampbell123/doslib/pull/65

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