CVE-2024-31498

Privilege escalation via elevated browser child process

Published Apr 4, 2024 · Updated Aug 27, 2024

Privilege escalation in Yubico YubiKey Manager GUI before 1.2.6 allows local users to execute browser actions as Administrator on Windows. The GUI spawns the system default browser as a child without preventing that child from retaining Administrator privileges. Reachability requires user interaction with an elevated GUI and a default browser without Edge's mitigation.

CVSS severity7.7
High
EPSS probability0.57%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in Yubico YubiKey Manager GUI before 1.2.6 allows local users to execute browser actions as Administrator on Windows. The GUI spawns the system default browser as a child without preventing that child from retaining Administrator privileges. Reachability requires user interaction with an elevated GUI and a default browser without Edge's mitigation.

The record

CVE
CVE-2024-31498
Published
Apr 4, 2024
Updated
Aug 27, 2024
Vendor
Yubico
Product
YubiKey Manager GUI
Classifications
CWE-269, CAPEC-122, T1068
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Apr 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.2.6

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Yubico · YubiKey Manager GUIversion=0 <1.2.6

Published CVSS scores

7.7YubicoCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
CAPEC-122Privilege Abuse
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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