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CVE.org (no NVD analysis yet)· CNA imaginationtech

CVE-2026-74912: GPU DDK - Fix for CVE-2026-49746 prevents the mapping of graphics buffers > 4GB

Noroxi assessment

Priority: Monitor (action score 39/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.29% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to CISA the attack is automatable: targets can be found by mass scanning.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

On GPU systems with the security vulnerability fix for CVE-2026-49746 applied, the mapping range of graphics buffers is limited which causes errors when the mapping outside of that range. Integer truncation caused when mapping GPU buffer pages in the buffer’s range 0GB - 4GB, produces error and limits the functionality of the kernel mode driver.

CriticalCVSS 9.8 · v3.1—No exploit No fix recorded
Published
Oct 30, 2026
Updated
Nov 5, 2026
EPSS
0.2% · 21th percentile

Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-74912

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

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Versions reported by the vendor

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

  • Imagination Technologies Graphics DDK

    • 26.2 RTMnot affected
    • 1.18 RTM2, 23.2 RTM2, 24.2 RTM2, 26.1 RTM2affected
    • 25.1 RTM2 and later · up to and including 25.3 RTMaffected

Same product

imagination technologies: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-41157GPU DDK - OOB Write in CalculateNPOTTwiddleSparsePageMap3D
    39Monitor
  • CVE-2025-6573GPU DDK - RGXFW_CTL.pui8FWScratchBuf Leak/Overwrite
    39Monitor
  • CVE-2026-74915GPU DDK - OOB write in UntwiddlePOTSquare64bpp
    35Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2026-65584Oct 30, 2026 · GPU DDK - Stack Buffer Overflow via undersized UFO address array in DumpStalledContextInfo
    31Monitor
  • ← EarlierCVE-2026-65586Oct 30, 2026 · GPU DDK - Write UAF due to missing cleanup reference for abort command submitted via PVRSRVRGXKickTA3DKM
    28Monitor
  • ← EarlierCVE-2026-65587Oct 30, 2026 · GPU DDK - OOB write in CalculateNPOTTwiddleSparsePageMap via TEXTURE_BASE_LEVEL change
    22Monitor

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.

Credits

All researchers

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-2026-749150 days apartGPU DDK - OOB write in UntwiddlePOTSquare64bpp
    35Monitor
  • CVE-2026-4519970 days apartGPU DDK - rgxfw_to_ptr() does not reject FW private data pointers
    31Monitor
  • CVE-2025-25180474 days apartGPU DDK - Insufficient validation in RGXCREATEFREELIST creates corrupt freelist
    31Monitor
  • CVE-2026-4974684 days apartGPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem
    28Monitor
  • CVE-2024-47893532 days apartGPU DDK - OOB read and write of the shared KMD/FW memory heap (VZ/TEE setups)
    26Monitor

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

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-823 · Use of Out-of-range Pointer Offset

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. CVSS— → 9.8
  2. Severity— → critical
  3. SSVC exploitation— → none
  4. Exploit maturity— → none

For records you follow, these changes also arrive as notifications. →

References

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

All records