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CVE-2025-63945: A privilege escalation (PE) vulnerability in the Tencent iOA app thru 210.9.28693.621001 on Windows devices en

34
Routine
HIGH 7.4UPGRADE

CVE-2025-63945 is a high-severity flaw (CVSS 7.4) affecting ioa. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A privilege escalation (PE) vulnerability in the Tencent iOA app thru 210.9.28693.621001 on Windows devices enables a local user to execute programs with elevated privileges. However, execution requires that the local user is able to successfully exploit a race condition.

Why this priority

  • High severity
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score7.4 (High)
Attack vectorLocal
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 89%)
CISA exploited listNo
WeaknessCWE-59
Published2026-02-23
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: tencent

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

Am I affected?

Timeline

tencent ioa UPGRADE
Affected: < 210.9.28693.62001
Fixed in: 210.9.28693.62001
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy ioa || rpm -q ioa || ioa --version
2. UPGRADE to 210.9.28693.62001 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade ioa
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade ioa
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-2025-63945?

ioa: upgrade to 210.9.28693.62001. Exact commands for each OS are on this page.

Is CVE-2025-63945 being exploited?

CVE-2025-63945 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-2025-63945 affect?

CVE-2025-63945 affects ioa. Severity is high (CVSS 7.4). A privilege escalation (PE) vulnerability in the Tencent iOA app thru 210.9.28693.621001 on Windows devices enables a local user to execute programs with elevated privileges. However, execution requires that the local user is able to succes

How urgent is CVE-2025-63945?

Priority 34/100. High severity; Public exploit reference

Software pages

Windows vulnerabilities

References

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