How severe is CVE-2026-1227?

CVE-2026-1227 has a CVSS 4.0 base score of 7.0, rated high severity.

Is CVE-2026-1227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1227?

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-2026-1227 have an EU (EUVD) identifier?

Yes. CVE-2026-1227 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7075.

When was CVE-2026-1227 published?

CVE-2026-1227 was published on 2026-02-11 and last updated on 2026-06-17.

CVE-2026-1227

CVE-2026-1227 is a high-severity vulnerability with a CVSS 4.0 base score of 7.0. 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-611.

Key facts

Severity: High (CVSS 4.0 base score 7.0)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7075
Weakness: CWE-611
Published: 2026-02-11
Last modified: 2026-06-17

Description

CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could cause unauthorized disclosure of local files, interaction within the EBO system, or denial of service conditions when a local user uploads a specially crafted TGML graphics file to the EBO server from Workstation.

Frequently asked questions

What is CVE-2026-1227?: CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could cause unauthorized disclosure of local files, interaction within the EBO system, or denial of service conditions when a local user uploads a specially crafted TGML graphics file to the EBO server from Workstation.
How severe is CVE-2026-1227?: CVE-2026-1227 has a CVSS 4.0 base score of 7.0, rated high severity.
Is CVE-2026-1227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-1227?: 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-2026-1227 have an EU (EUVD) identifier?: Yes. CVE-2026-1227 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7075.
When was CVE-2026-1227 published?: CVE-2026-1227 was published on 2026-02-11 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-041-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-041-02.pdf

Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

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