How severe is CVE-2025-46269?

CVE-2025-46269 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-2025-46269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-46269?

CVE-2025-46269 primarily affects Ashlar Argon. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-46269?

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-2025-46269 have an EU (EUVD) identifier?

Yes. CVE-2025-46269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28035.

When was CVE-2025-46269 published?

CVE-2025-46269 was published on 2025-08-18 and last updated on 2026-06-17.

CVE-2025-46269

CVE-2025-46269 is a high-severity vulnerability in Ashlar Argon 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-122.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.4
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28035
Weakness: CWE-122
Affected product: Ashlar Argon
Published: 2025-08-18
Last modified: 2026-06-17

Description

In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected applications lack proper validation of user-supplied data when parsing VC6 files. This could lead to a heap-based buffer overflow. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.

Frequently asked questions

What is CVE-2025-46269?: In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected applications lack proper validation of user-supplied data when parsing VC6 files. This could lead to a heap-based buffer overflow. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.
How severe is CVE-2025-46269?: CVE-2025-46269 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-2025-46269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-46269?: CVE-2025-46269 primarily affects Ashlar Argon. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-46269?: 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-2025-46269 have an EU (EUVD) identifier?: Yes. CVE-2025-46269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28035.
When was CVE-2025-46269 published?: CVE-2025-46269 was published on 2025-08-18 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-224-01

Affected products (5)

cpe:2.3:a:ashlar:argon:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:cobalt:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:cobalt_share:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:lithium:*:*:*:*:*:*:*:*
cpe:2.3:a:ashlar:xenon:*:*:*:*:*:*:*:*

More vulnerabilities in Ashlar Argon

CVE-2025-65085 — Critical (CVSS 9.8): A Heap-based Buffer Overflow vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share…
CVE-2025-65084 — Critical (CVSS 9.8): An Out-of-Bounds Write vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share…
CVE-2023-44438 — High (CVSS 8.8): Ashlar-Vellum Argon Uncontrolled Search Path Element Remote Code Execution Vulnerability. This vulnerability allows…
CVE-2025-65088 — High (CVSS 7.8): An Out-of-Bounds Read vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share…
CVE-2025-65087 — High (CVSS 7.8): An Out-of-Bounds Read vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share…
CVE-2025-65086 — High (CVSS 7.8): An Out-of-Bounds Write vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share…

All CVEs affecting Ashlar Argon →

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