How severe is CVE-2026-55010?

CVE-2026-55010 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-2026-55010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-55010?

CVE-2026-55010 affects Microsoft Minecraft Bedrock Dedicated Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-55010?

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.

When was CVE-2026-55010 published?

CVE-2026-55010 was published on 2026-07-14 and last updated on 2026-07-22.

CVE-2026-55010

CVE-2026-55010 is a critical-severity vulnerability in Microsoft Minecraft Bedrock Dedicated Server 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-122.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-122
Affected product: Microsoft Minecraft Bedrock Dedicated Server
Published: 2026-07-14
Last modified: 2026-07-22

Description

Heap-based buffer overflow in Minecraft Bedrock Dedicated Server allows an unauthorized attacker to execute code over a network.

Frequently asked questions

What is CVE-2026-55010?: Heap-based buffer overflow in Minecraft Bedrock Dedicated Server allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-55010?: CVE-2026-55010 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-2026-55010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-55010?: CVE-2026-55010 affects Microsoft Minecraft Bedrock Dedicated Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-55010?: 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.
When was CVE-2026-55010 published?: CVE-2026-55010 was published on 2026-07-14 and last updated on 2026-07-22.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55010

Affected products (1)

cpe:2.3:a:microsoft:minecraft_bedrock_dedicated_server:-:*:*:*:*:*:*:*

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