How severe is CVE-2023-21782?

CVE-2023-21782 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-2023-21782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21782?

CVE-2023-21782 affects Microsoft 3d Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21782?

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.

When was CVE-2023-21782 published?

CVE-2023-21782 was published on 2023-01-10 and last updated on 2026-06-17.

CVE-2023-21782

CVE-2023-21782 is a high-severity vulnerability in Microsoft 3d Builder 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)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-122
Affected product: Microsoft 3d Builder
Published: 2023-01-10
Last modified: 2026-06-17

Description

3D Builder Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2023-21782?: 3D Builder Remote Code Execution Vulnerability
How severe is CVE-2023-21782?: CVE-2023-21782 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-2023-21782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21782?: CVE-2023-21782 affects Microsoft 3d Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21782?: 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.
When was CVE-2023-21782 published?: CVE-2023-21782 was published on 2023-01-10 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21782

Affected products (1)

cpe:2.3:a:microsoft:3d_builder:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft 3d Builder

CVE-2023-36773 — High (CVSS 7.8): 3D Builder Remote Code Execution Vulnerability
CVE-2023-36772 — High (CVSS 7.8): 3D Builder Remote Code Execution Vulnerability
CVE-2023-36771 — High (CVSS 7.8): 3D Builder Remote Code Execution Vulnerability
CVE-2023-36770 — High (CVSS 7.8): 3D Builder Remote Code Execution Vulnerability
CVE-2023-23390 — High (CVSS 7.8): 3D Builder Remote Code Execution Vulnerability
CVE-2023-23377 — High (CVSS 7.8): 3D Builder Remote Code Execution Vulnerability

All CVEs affecting Microsoft 3d Builder →

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities

CVE-2026-46752 — Critical (CVSS 10.0): Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: from…
CVE-2026-24822 — Critical (CVSS 10.0): Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is…
CVE-2025-23123 — Critical (CVSS 10.0): A malicious actor with access to the management network could execute a remote code execution (RCE) by exploiting a…
CVE-2022-34819 — Critical (CVSS 10.0): A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions <…
CVE-2026-44050 — Critical (CVSS 9.9): A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote…
CVE-2026-49841 — Critical (CVSS 9.8): FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to…

Browse all CWE-122 (Heap-based Buffer Overflow) vulnerabilities →