CVE-2023-26226: A use after free memory corruption issue exists in Yandex Browser for Desktop prior to version 24.4.0.682

Q: How do I fix CVE-2023-26226?

yandex browser: upgrade to 24.4.0.682. Exact commands for each OS are on this page.

Q: Is CVE-2023-26226 being exploited?

CVE-2023-26226 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-26226 affect?

CVE-2023-26226 affects yandex browser. Severity is critical (CVSS 9.8). A use after free memory corruption issue exists in Yandex Browser for Desktop prior to version 24.4.0.682

Q: How urgent is CVE-2023-26226?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-26226 is a critical-severity flaw (CVSS 9.8) affecting yandex browser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A use after free memory corruption issue exists in Yandex Browser for Desktop prior to version 24.4.0.682

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-416
Published	2025-05-30
Last modified	2026-06-17

Publisher (CNA): Yandex N.V. · Vendor: yandex

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-30 18:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

yandex yandex browser UPGRADE

Affected: < 24.4.0.682

Fixed in: 24.4.0.682

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy yandex-browser || rpm -q yandex-browser || yandex-browser --version

2. UPGRADE to 24.4.0.682 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade yandex-browser

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade yandex-browser

Note

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

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-2023-26226?

yandex browser: upgrade to 24.4.0.682. Exact commands for each OS are on this page.

Is CVE-2023-26226 being exploited?

CVE-2023-26226 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-2023-26226 affect?

CVE-2023-26226 affects yandex browser. Severity is critical (CVSS 9.8). A use after free memory corruption issue exists in Yandex Browser for Desktop prior to version 24.4.0.682

How urgent is CVE-2023-26226?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-6473 HIGH 7.8 UPGRADE Yandex Browser for Desktop before 24.7.1.380 has a DLL Hijacking Vulnerability because an untrusted search pat
CVE-2021-25262 MEDIUM 5.4 UPGRADE Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.
CVE-2021-25255 HIGH 7.5 UPGRADE Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.
CVE-2021-25254 MEDIUM 5.3 UPGRADE Yandex Browser Lite for Android before 21.1.0 allows remote attackers to spoof the address bar.

References

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