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CVE-2025-7981

INDEX BUILT · 2026-09-20

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Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability

CVE-2025-79814 of 4 sources documented this
22

rank 22 = 0 + 20 + 0 + 2 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.00234  ·  without this subject the record ranks 22

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.8, from the CNA  ·  without this subject the record ranks 2

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 22

How much of the world it touches

NVD CPE configurations

1 product in the CPE ranges  ·  without this subject the record ranks 20

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 22

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$11,700over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$11,700 = $4.99M incident cost x 1 exposure x 0.00234 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.00234EPSSNOT IN KEVas of 2026-09-20
Severity7.8 HIGHreceipt
Harmtotal lossreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementrisenreceipt
PLATEAU10Minimal movement since 2025-09-18, 334 days at 0.00, as of 2026-08-18. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

Running Ashlar-Vellum Graphite? Check your version

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachneeds local access · no privileges required · user interaction required · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.0 · the CNA's vectorreceipt
Weakness classCWE-457 Use of Uninitialized Variablereceipt
Published consequencesCWE-457: Availability, Integrity, Other: Other; Authorization, Other: Other[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 18 Aug 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA7.8 HIGHreceipt
Exploit probability0.00234 · top 85% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned byzdireceipt
Recorded changes13 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productAshlar-Vellum Graphitereceipt
Published rangesashlar graphite 13.0.48receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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Attack path

Local accessrequires user interactionAshlar-Vellum GraphiteCWE-457 weaknessFull compromise (C/I/A)C:H / I:H / A:Hexploits CWE-457data compromise

What it is stated by the CNA

Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Graphite. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of VC6 files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25475. receipt

NVD's analysis a second authority

weakness
CWE-457
affected versions
ashlar graphite 13.0.48
also scored by
[email protected] 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

check it yourself zerodayinitiative.com receipt

Movement the material steps

18 Sep 20250.00046
15 Jun 20260.00215 · scoring model v2026.06.15
18 Aug 20260.00234
Show all 13 observations
18 Sep 20250.00046
23 Sep 20250.0005
19 Oct 20250.00055
24 Nov 20250.00063
18 Dec 20250.00035
17 Jan 20260.00043
14 Feb 20260.00041
25 Feb 20260.00049
13 Apr 20260.00055
23 May 20260.00056
3 Jun 20260.00068
15 Jun 20260.00215
18 Aug 20260.00234

13 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.00234Published2025-09-17Index as of2026-08-18

The record had been public for 11 months when this index was last written.

Published 2025-09-17 receipt · Index as of 2026-08-18 derived

Siblings and hubs

Records related to this one

Its defect family

ashlar-vellum graphite

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

Nothing we hold separates this record from the others in its defect family. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

Browse the index from here

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What usually comes next

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