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CVE-2025-14599· NVD / CVE Program· CNA Altera

Quartus® Prime Standard and Quartus® Prime Lite Security Advisory

Uncontrolled Search Path Element vulnerability in Altera Quartus Prime Standard Installer (SFX) on Windows, Altera Quartus Prime Lite  Installer (SFX) on Windows allows Search Order Hijacking.This issue affects Quartus Prime Standard: from 23.1 through 24.1; Quartus Prime Lite: from 23.1 through 24.1.

MediumCVSS 5.4 · v4.0—No exploit No fix recorded
Published
Jan 6, 2026
Updated
Jun 17, 2026
EPSS
0.1% · 1th percentile
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Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Altera
5.4
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
intelquartus prime
microsoftwindows

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • intel quartus prime23.1 and later · before 25.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Altera). Independent of NVD's CPE analysis and usually ahead of it.

  • Altera Quartus Prime Lite

    • 23.1 and later · up to and including 24.1affected
  • Altera Quartus Prime Standard

    • 23.1 and later · up to and including 24.1affected

Other highest-scoring records for the same primary product.

  • CVE-2022-41693Uncontrolled search path in the Intel(R) Quartus(R) Prime Pro edition software before version 22.3 may allow an authenticated user to potent
    31Monitor
  • CVE-2022-33902Insufficient control flow management in the Intel(R) Quartus Prime Pro and Standard edition software may allow an authenticated user to pote
    31Monitor
  • CVE-2022-33892Path traversal in the Intel(R) Quartus Prime Pro and Standard edition software may allow an authenticated user to potentially enable escalat
    31Monitor
  • CVE-2022-32570Improper authentication in the Intel(R) Quartus Prime Pro and Standard edition software may allow an authenticated user to potentially enabl
    31Monitor
  • CVE-2022-26840Improper neutralization in the Intel(R) Quartus Prime Pro and Standard edition software may allow an authenticated user to potentially enabl
    31Monitor
  • CVE-2022-27187Uncontrolled search path element in the Intel(R) Quartus Prime Standard edition software before version 21.1 Patch 0.02std may allow an auth
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-145960 days apartQuartus Prime Pro Edition Installer Advisory
    21Monitor
  • CVE-2025-146050 days apartQuartus Prime Pro Edition Advisory
    21Monitor
  • CVE-2025-146251 days apartQuartus® Prime Standard and Quartus® Prime Lite Security Advisory
    21Monitor
  • CVE-2025-1366426 days apartQuartus Prime Standard Security Advisory
    21Monitor
  • CVE-2025-1366526 days apartQuartus Prime Standard Security Advisory
    21Monitor
  • CVE-2025-1366826 days apartQuartus Prime Pro Edition Advisory
    21Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
Integrity
Availability
Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
A
Scope
X

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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

nvd-secondary

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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