PatchTheCEVCVE-2026-83661: Photoshop Desktop is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrar
30
Routine
HIGH 7.8UPGRADE
CVE-2026-83661 is a high-severity flaw (CVSS 7.8) affecting photoshop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Photoshop Desktop is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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 88%) |
| CISA exploited list | No |
| Weakness | CWE-190 |
| Published | 2026-10-13 |
| Last modified | 2026-10-22 |
Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
adobe photoshop UPGRADE
Affected: < 26.11.8 · >= 27.0 and < 27.11
Fixed in: 26.11.8, 27.11
Safe to downgrade to: a release before 27.0
1. Check installed version
apt-cache policy photoshop || rpm -q photoshop || photoshop --version
2. UPGRADE to 26.11.8 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade photoshop
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade photoshop
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 27.0 (Debian / Ubuntu)
apt-cache madison photoshop
sudo apt install photoshop=<VERSION_BEFORE_27.0>
sudo apt-mark hold photoshop
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list photoshop
sudo dnf downgrade photoshop-<VERSION_BEFORE_27.0>
sudo dnf versionlock add photoshop
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.
Exact fixes by distribution
Fedora 46 · diffoscope · FIXED · 335-1.fc46 · FEDORA-2026-e4c4cc0856 · source
sudo dnf upgrade --advisory=FEDORA-2026-e4c4cc0856
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.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
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