How severe is CVE-2026-49033?

CVE-2026-49033 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-2026-49033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-49033?

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.

When was CVE-2026-49033 published?

CVE-2026-49033 was published on 2026-07-07 and last updated on 2026-07-08.

CVE-2026-49033

CVE-2026-49033 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.4
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-121
Published: 2026-07-07
Last modified: 2026-07-08

Description

The application contains a stack-based buffer overflow vulnerability that can be exploited by an attacker to execute arbitrary code.

Frequently asked questions

What is CVE-2026-49033?: The application contains a stack-based buffer overflow vulnerability that can be exploited by an attacker to execute arbitrary code.
How severe is CVE-2026-49033?: CVE-2026-49033 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-2026-49033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-49033?: 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.
When was CVE-2026-49033 published?: CVE-2026-49033 was published on 2026-07-07 and last updated on 2026-07-08.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-188-06

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