How severe is CVE-2026-41104?

CVE-2026-41104 has a CVSS 3.x base score of 10.0, 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-2026-41104 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41104?

CVE-2026-41104 affects Microsoft Planetary Computer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41104?

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-2026-41104 have an EU (EUVD) identifier?

Yes. CVE-2026-41104 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31517.

When was CVE-2026-41104 published?

CVE-2026-41104 was published on 2026-05-22 and last updated on 2026-07-23.

CVE-2026-41104

CVE-2026-41104 is a critical-severity vulnerability in Microsoft Planetary Computer with a CVSS 3.x base score of 10.0. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31517
Weakness: CWE-502
Affected product: Microsoft Planetary Computer
Published: 2026-05-22
Last modified: 2026-07-23

Description

Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose information over a network.

Frequently asked questions

What is CVE-2026-41104?: Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose information over a network.
How severe is CVE-2026-41104?: CVE-2026-41104 has a CVSS 3.x base score of 10.0, 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-2026-41104 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41104?: CVE-2026-41104 affects Microsoft Planetary Computer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41104?: 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-2026-41104 have an EU (EUVD) identifier?: Yes. CVE-2026-41104 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31517.
When was CVE-2026-41104 published?: CVE-2026-41104 was published on 2026-05-22 and last updated on 2026-07-23.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41104

Affected products (1)

cpe:2.3:a:microsoft:planetary_computer:-:*:*:*:pro:*:*:*

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