How severe is CVE-2026-49311?

CVE-2026-49311 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-49311 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-2026-49311?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-49311 published?

CVE-2026-49311 was published on 2026-09-09.

CVE-2026-49311

CVE-2026-49311 is a medium-severity vulnerability with a CVSS 3.x base score of 6.2. 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-275.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-275
Published: 2026-09-09
Last modified: 2026-09-09

Description

Permission control vulnerability in the event notification module.Impact: Successful exploitation of this vulnerability may affect availability.

Frequently asked questions

What is CVE-2026-49311?: Permission control vulnerability in the event notification module.Impact: Successful exploitation of this vulnerability may affect availability.
How severe is CVE-2026-49311?: CVE-2026-49311 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-49311 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-2026-49311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-49311 published?: CVE-2026-49311 was published on 2026-09-09.

References

Other CWE-275 vulnerabilities

CVE-2017-6513 — Critical (CVSS 9.9): The WHMCS Reseller Module V2 2.0.2 in Softaculous Virtualizor before 2.9.1.0 does not verify the user correctly, which…
CVE-2017-17060 — Critical (CVSS 9.8): OX Software GmbH OX App Suite 7.8.4 and earlier is affected by: Insecure Permissions.
CVE-2017-16887 — Critical (CVSS 9.8): The portal on FiberHome Mobile WIFI Device Model LM53Q1 VH519R05C01S38 uses SOAP based web services in order to…
CVE-2023-39399 — Critical (CVSS 9.1): Parameter verification vulnerability in the installd module. Successful exploitation of this vulnerability may cause…
CVE-2023-39398 — Critical (CVSS 9.1): Parameter verification vulnerability in the installd module. Successful exploitation of this vulnerability may cause…
CVE-2019-2177 — High (CVSS 8.8): In isPreferred of HidProfile.java in Android 7.1.1, 7.1.2, 8.0, 8.1 and 9, there is a possible device type confusion…

Browse all CWE-275 vulnerabilities →