How severe is CVE-2026-23652?

CVE-2026-23652 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-2026-23652 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23652?

CVE-2026-23652 affects Microsoft Power Pages. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23652?

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-2026-23652 have an EU (EUVD) identifier?

Yes. CVE-2026-23652 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31508.

When was CVE-2026-23652 published?

CVE-2026-23652 was published on 2026-05-22 and last updated on 2026-07-23.

CVE-2026-23652

CVE-2026-23652 is a critical-severity vulnerability in Microsoft Power Pages 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31508
Weakness: CWE-77
Affected product: Microsoft Power Pages
Published: 2026-05-22
Last modified: 2026-07-23

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an unauthorized attacker to execute code over a network.

Frequently asked questions

What is CVE-2026-23652?: Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-23652?: CVE-2026-23652 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-2026-23652 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23652?: CVE-2026-23652 affects Microsoft Power Pages. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23652?: 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-2026-23652 have an EU (EUVD) identifier?: Yes. CVE-2026-23652 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31508.
When was CVE-2026-23652 published?: CVE-2026-23652 was published on 2026-05-22 and last updated on 2026-07-23.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23652

Affected products (1)

cpe:2.3:a:microsoft:power_pages:-:*:*:*:*:*:*:*

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