CVE-2026-12449 · cross-distro fix matrix

CVE-2026-12449: Use after free in Chromoting in Google Chrome on Windows prior to 149.0.7827.155 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Hi

Affects 2 Linux releases across 2 (distro × package) combinations. First disclosed: 2026-06-17.

CVSS v3:HIGH · 7.8(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-12449 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

chromium→ fixed in149.0.7827.155-1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y chromium
```

Debian trixie

Source: Debian Security Tracker

chromium→ fixed in149.0.7827.155-1~deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y chromium
```

Are YOU affected by CVE-2026-12449?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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