CyberSecBulletin
CVE-2026-92088NVD status: Awaiting Analysis

upKeeper Instant Privilege Access: Improper Handling of Undefined Values

Published Updated By the CyberSecBulletin desk

CVE-2026-92088 is a high-severity improper handling of undefined values vulnerability in upKeeper Instant Privilege Access from upKeeper Solutions, with a CVSS 4.0 base score of 8.6 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, but only if a user takes part, for example by opening a link or file. Affected upKeeper Instant Privilege Access versions: 1.7.1 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.14% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of upKeeper Instant Privilege Access you run against the affected versions below, and install the vendor's latest release.
  2. Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.

Affected products and versions

VendorProductAffected versionsFixed in
upKeeper SolutionsupKeeper Instant Privilege Access1.7.1 and earlierNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Attack requirements
NoneThe attack does not depend on a particular deployment or configuration.
Privileges required
LowA basic user account is enough.
User interaction
ActiveA user must deliberately do something unusual, such as dismissing a warning.
Confidentiality (vulnerable system)
HighSerious loss of confidentiality on the vulnerable system.
Integrity (vulnerable system)
HighSerious loss of integrity on the vulnerable system.
Availability (vulnerable system)
HighSerious loss of availability on the vulnerable system.
Confidentiality (other systems)
HighSerious loss of confidentiality on systems beyond the vulnerable one.
Integrity (other systems)
HighSerious loss of integrity on systems beyond the vulnerable one.
Availability (other systems)
HighSerious loss of availability on systems beyond the vulnerable one.

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. Scored by CNA.

Official description

Improper handling of undefined values vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Privilege Escalation. This issue affects upKeeper Instant Privilege Access: through 1.7.1.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Handling of Undefined Values

The product does not handle or incorrectly handles when a value is not defined or supported for the associated parameter, field, or argument name.

More Improper Handling of Undefined Values vulnerabilities (CWE-232)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).

References

Other vulnerabilities in upKeeper Instant Privilege Access

All upKeeper Instant Privilege Access vulnerabilities

Recent Improper Handling of Undefined Values vulnerabilities

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