CVE-2026-82001: Acrobat Reader is affected by an Uncontrolled Resource Consumption vulnerability that could lead to applicatio

Routine

MEDIUM 5.5UPGRADEUPGRADEUPGRADE

CVE-2026-82001 is a medium-severity flaw (CVSS 5.5) affecting acrobat, acrobat dc, acrobat reader dc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Acrobat Reader is affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-400
Published	2026-09-08
Last modified	2026-09-11

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-09-11 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-08 21:18 UTCPublished CVE record published
2026-09-11 22:16 UTCUpdated Record last modified

adobe acrobat UPGRADE

Affected: >= 24.0.0 and < 24.001.30429

Fixed in: 24.001.30429

Safe to downgrade to: a release before 24.0.0

1. Check installed version

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

2. UPGRADE to 24.001.30429 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade acrobat

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 24.0.0 (Debian / Ubuntu)

apt-cache madison acrobat sudo apt install acrobat=<VERSION_BEFORE_24.0.0> sudo apt-mark hold acrobat

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

dnf --showduplicates list acrobat sudo dnf downgrade acrobat-<VERSION_BEFORE_24.0.0> sudo dnf versionlock add acrobat

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.

adobe acrobat dc UPGRADE

Affected: >= 15.008.20082 and < 26.002.21901

Fixed in: 26.002.21901

Safe to downgrade to: a release before 15.008.20082

1. Check installed version

apt-cache policy acrobat-dc || rpm -q acrobat-dc || acrobat-dc --version

2. UPGRADE to 26.002.21901 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade acrobat-dc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade acrobat-dc

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 15.008.20082 (Debian / Ubuntu)

apt-cache madison acrobat-dc sudo apt install acrobat-dc=<VERSION_BEFORE_15.008.20082> sudo apt-mark hold acrobat-dc

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

dnf --showduplicates list acrobat-dc sudo dnf downgrade acrobat-dc-<VERSION_BEFORE_15.008.20082> sudo dnf versionlock add acrobat-dc

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.

adobe acrobat reader dc UPGRADE

Affected: >= 15.008.20082 and < 26.002.21901

Fixed in: 26.002.21901

Safe to downgrade to: a release before 15.008.20082

1. Check installed version

apt-cache policy acrobat-reader-dc || rpm -q acrobat-reader-dc || acrobat-reader-dc --version

2. UPGRADE to 26.002.21901 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade acrobat-reader-dc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade acrobat-reader-dc

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 15.008.20082 (Debian / Ubuntu)

apt-cache madison acrobat-reader-dc sudo apt install acrobat-reader-dc=<VERSION_BEFORE_15.008.20082> sudo apt-mark hold acrobat-reader-dc

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

dnf --showduplicates list acrobat-reader-dc sudo dnf downgrade acrobat-reader-dc-<VERSION_BEFORE_15.008.20082> sudo dnf versionlock add acrobat-reader-dc

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-2026-82001?

acrobat: upgrade to 24.001.30429; acrobat dc: upgrade to 26.002.21901; acrobat reader dc: upgrade to 26.002.21901. Exact commands for each OS are on this page.

Is CVE-2026-82001 being exploited?

CVE-2026-82001 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-2026-82001 affect?

CVE-2026-82001 affects acrobat, acrobat dc, acrobat reader dc. Severity is medium (CVSS 5.5). Acrobat Reader is affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-

How urgent is CVE-2026-82001?

Priority 23/100. No elevated risk signals yet.

Software pages

Adobe Acrobat vulnerabilities

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References

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