How severe is CVE-2026-11803?

CVE-2026-11803 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-2026-11803 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11803?

CVE-2026-11803 affects Autodesk Revit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-11803?

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-2026-11803 published?

CVE-2026-11803 was published on 2026-08-06 and last updated on 2026-09-17.

CVE-2026-11803

CVE-2026-11803 is a high-severity vulnerability in Autodesk Revit 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Autodesk Revit
Published: 2026-08-06
Last modified: 2026-09-17

Description

A maliciously crafted PDF file, when parsed through certain Autodesk products, can force a Out-of-Bounds Read vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.

Frequently asked questions

What is CVE-2026-11803?: A maliciously crafted PDF file, when parsed through certain Autodesk products, can force a Out-of-Bounds Read vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.
How severe is CVE-2026-11803?: CVE-2026-11803 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-2026-11803 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11803?: CVE-2026-11803 affects Autodesk Revit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-11803?: 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-2026-11803 published?: CVE-2026-11803 was published on 2026-08-06 and last updated on 2026-09-17.

References

Affected products (1)

cpe:2.3:a:autodesk:revit:*:*:*:*:*:*:*:*

More vulnerabilities in Autodesk Revit

CVE-2026-8325 — High (CVSS 7.8): A maliciously crafted PDF file, when parsed through certain Autodesk products, can force a Out-of-Bounds Write…
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CVE-2025-8893 — High (CVSS 7.8): A maliciously crafted PDF file, when parsed through certain Autodesk products, can force an Out-of-Bounds Write…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →