CVE-2025-8893: A maliciously crafted PDF file, when parsed through certain Autodesk products, can force an Out-of-Bounds Writ

Routine

HIGH 7.8UPGRADEUPGRADEUPGRADE

CVE-2025-8893 is a high-severity flaw (CVSS 7.8) affecting revit, autocad, autocad architecture. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-787
Published	2025-09-16
Last modified	2026-10-18

Publisher (CNA): Autodesk · Vendor: autodesk

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-16 15:15 UTCPublished CVE record published
2026-10-18 21:10 UTCUpdated Record last modified

autodesk revit UPGRADE

Affected: >= 2025 and < 2025.4.3 · >= 2026 and < 2026.3

Fixed in: 2025.4.3, 2026.3

Safe to downgrade to: a release before 2025

1. Check installed version

apt-cache policy revit || rpm -q revit || revit --version

2. UPGRADE to 2025.4.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade revit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade revit

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2025 (Debian / Ubuntu)

apt-cache madison revit sudo apt install revit=<VERSION_BEFORE_2025> sudo apt-mark hold revit

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list revit sudo dnf downgrade revit-<VERSION_BEFORE_2025> sudo dnf versionlock add revit

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

autodesk autocad UPGRADE

Affected: >= 2024 and < 2024.1.8 · >= 2025 and < 2025.1.3 · >= 2026 and < 2026.1

Fixed in: 2024.1.8, 2025.1.3, 2026.1

Safe to downgrade to: a release before 2024

1. Check installed version

apt-cache policy autocad || rpm -q autocad || autocad --version

2. UPGRADE to 2024.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2024 (Debian / Ubuntu)

apt-cache madison autocad sudo apt install autocad=<VERSION_BEFORE_2024> sudo apt-mark hold autocad

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list autocad sudo dnf downgrade autocad-<VERSION_BEFORE_2024> sudo dnf versionlock add autocad

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

autodesk autocad architecture UPGRADE

Affected: >= 2024 and < 2024.1.8 · >= 2025 and < 2025.1.3 · >= 2026 and < 2026.1

Fixed in: 2024.1.8, 2025.1.3, 2026.1

Safe to downgrade to: a release before 2024

1. Check installed version

apt-cache policy autocad-architecture || rpm -q autocad-architecture || autocad-architecture --version

2. UPGRADE to 2024.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-architecture

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-architecture

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2024 (Debian / Ubuntu)

apt-cache madison autocad-architecture sudo apt install autocad-architecture=<VERSION_BEFORE_2024> sudo apt-mark hold autocad-architecture

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list autocad-architecture sudo dnf downgrade autocad-architecture-<VERSION_BEFORE_2024> sudo dnf versionlock add autocad-architecture

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

autodesk autocad electrical UPGRADE

Affected: >= 2024 and < 2024.1.8 · >= 2025 and < 2025.1.3 · >= 2026 and < 2026.1

Fixed in: 2024.1.8, 2025.1.3, 2026.1

Safe to downgrade to: a release before 2024

1. Check installed version

apt-cache policy autocad-electrical || rpm -q autocad-electrical || autocad-electrical --version

2. UPGRADE to 2024.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-electrical

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-electrical

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2024 (Debian / Ubuntu)

apt-cache madison autocad-electrical sudo apt install autocad-electrical=<VERSION_BEFORE_2024> sudo apt-mark hold autocad-electrical

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list autocad-electrical sudo dnf downgrade autocad-electrical-<VERSION_BEFORE_2024> sudo dnf versionlock add autocad-electrical

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

autodesk autocad mechanical UPGRADE

Affected: >= 2024 and < 2024.1.8 · >= 2025 and < 2025.1.3 · >= 2026 and < 2026.1

Fixed in: 2024.1.8, 2025.1.3, 2026.1

Safe to downgrade to: a release before 2024

1. Check installed version

apt-cache policy autocad-mechanical || rpm -q autocad-mechanical || autocad-mechanical --version

2. UPGRADE to 2024.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-mechanical

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-mechanical

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2024 (Debian / Ubuntu)

apt-cache madison autocad-mechanical sudo apt install autocad-mechanical=<VERSION_BEFORE_2024> sudo apt-mark hold autocad-mechanical

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list autocad-mechanical sudo dnf downgrade autocad-mechanical-<VERSION_BEFORE_2024> sudo dnf versionlock add autocad-mechanical

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

autodesk autocad plant 3d UPGRADE

Affected: >= 2024 and < 2024.1.8 · >= 2025 and < 2025.1.3 · >= 2026 and < 2026.1

Fixed in: 2024.1.8, 2025.1.3, 2026.1

Safe to downgrade to: a release before 2024

1. Check installed version

apt-cache policy autocad-plant-3d || rpm -q autocad-plant-3d || autocad-plant-3d --version

2. UPGRADE to 2024.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-plant-3d

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-plant-3d

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2024 (Debian / Ubuntu)

apt-cache madison autocad-plant-3d sudo apt install autocad-plant-3d=<VERSION_BEFORE_2024> sudo apt-mark hold autocad-plant-3d

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list autocad-plant-3d sudo dnf downgrade autocad-plant-3d-<VERSION_BEFORE_2024> sudo dnf versionlock add autocad-plant-3d

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-8893?

revit: upgrade to 2025.4.3, 2026.3; autocad: upgrade to 2024.1.8, 2025.1.3, 2026.1; autocad architecture: upgrade to 2024.1.8, 2025.1.3, 2026.1. Exact commands for each OS are on this page.

Is CVE-2025-8893 being exploited?

CVE-2025-8893 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-8893 affect?

CVE-2025-8893 affects revit, autocad, autocad architecture. Severity is high (CVSS 7.8). A maliciously crafted PDF file, when parsed through certain Autodesk products, can force an Out-of-Bounds Write vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitrary c

How urgent is CVE-2025-8893?

Priority 29/100. High severity

Related CVEs

CVE-2026-1288 MEDIUM 5.5 UPGRADE A maliciously crafted RFA file, when converted to FormIt via “Convert RFA to FormIt” in Autodesk Revit, can fo
CVE-2026-8325 HIGH 7.8 UPGRADE A maliciously crafted PDF file, when parsed through Autodesk Revit, can force an Out-of-Bounds Write vulnerabi
CVE-2026-11803 HIGH 7.8 UPGRADE A maliciously crafted PDF file, when parsed through Autodesk Revit, can force an Out-of-Bounds Read vulnerabil
CVE-2026-1289 HIGH 7.8 UPGRADE A maliciously crafted PDF file, when parsed through Autodesk Revit, can force a Use-After-Free vulnerability
CVE-2025-8354 HIGH 7.8 UPGRADE A maliciously crafted RFA file, when parsed through Autodesk Revit, can force a Type Confusion vulnerability

References

← Back to latest CVEs