How severe is CVE-2026-21536?

CVE-2026-21536 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-2026-21536 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21536?

CVE-2026-21536 affects Microsoft Devices Pricing Program. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21536?

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-2026-21536 have an EU (EUVD) identifier?

Yes. CVE-2026-21536 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9885.

When was CVE-2026-21536 published?

CVE-2026-21536 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-21536

CVE-2026-21536 is a critical-severity vulnerability in Microsoft Devices Pricing Program 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9885
Weakness: CWE-434
Affected product: Microsoft Devices Pricing Program
Published: 2026-03-05
Last modified: 2026-06-17

Description

Microsoft Devices Pricing Program Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2026-21536?: Microsoft Devices Pricing Program Remote Code Execution Vulnerability
How severe is CVE-2026-21536?: CVE-2026-21536 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-2026-21536 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21536?: CVE-2026-21536 affects Microsoft Devices Pricing Program. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21536?: 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-2026-21536 have an EU (EUVD) identifier?: Yes. CVE-2026-21536 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9885.
When was CVE-2026-21536 published?: CVE-2026-21536 was published on 2026-03-05 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21536

Affected products (1)

cpe:2.3:a:microsoft:devices_pricing_program:-:*:*:*:*:*:*:*

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