How severe is CVE-2026-8362?

CVE-2026-8362 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-8362 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8362?

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

Does CVE-2026-8362 have an EU (EUVD) identifier?

Yes. CVE-2026-8362 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32643.

When was CVE-2026-8362 published?

CVE-2026-8362 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-8362

CVE-2026-8362 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32643
Weakness: CWE-121
Published: 2026-05-27
Last modified: 2026-06-17

Description

A stack-based buffer overflow condition exists in WOSDefaultHttpModule.dll when processing a long URL path starting with /woshome

Frequently asked questions

What is CVE-2026-8362?: A stack-based buffer overflow condition exists in WOSDefaultHttpModule.dll when processing a long URL path starting with /woshome
How severe is CVE-2026-8362?: CVE-2026-8362 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-8362 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8362?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-8362 have an EU (EUVD) identifier?: Yes. CVE-2026-8362 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32643.
When was CVE-2026-8362 published?: CVE-2026-8362 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/TRA-2026-45

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