Stack-based Buffer Overflow in Windows Compute
Memory Corruption when output buffer size is smaller than input buffer size during data copying operation.
- Published
- Jun 1, 2026
- Updated
- Jul 22, 2026
- EPSS
- 0.1% · 0th percentile
- CWE
- CWE-121
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.7 / 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 · qualcomm
- 6.7
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| qualcomm | cologne firmware | cpe:2.3:o:qualcomm:cologne_firmware |
| qualcomm | cologne | cpe:2.3:h:qualcomm:cologne |
| qualcomm | fastconnect 6700 firmware | cpe:2.3:o:qualcomm:fastconnect_6700_firmware |
| qualcomm | fastconnect 6700 | cpe:2.3:h:qualcomm:fastconnect_6700 |
| qualcomm | fastconnect 6900 firmware | cpe:2.3:o:qualcomm:fastconnect_6900_firmware |
| qualcomm | fastconnect 6900 | cpe:2.3:h:qualcomm:fastconnect_6900 |
| qualcomm | fastconnect 7800 firmware | cpe:2.3:o:qualcomm:fastconnect_7800_firmware |
| qualcomm | fastconnect 7800 | cpe:2.3:h:qualcomm:fastconnect_7800 |
| qualcomm | iqx5121 firmware | cpe:2.3:o:qualcomm:iqx5121_firmware |
| qualcomm | iqx5121 | cpe:2.3:h:qualcomm:iqx5121 |
| qualcomm | iqx7181 firmware | cpe:2.3:o:qualcomm:iqx7181_firmware |
| qualcomm | iqx7181 | cpe:2.3:h:qualcomm:iqx7181 |
and 76 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- qualcomm cologne firmwareall versions
- qualcomm fastconnect 6700 firmwareall versions
- qualcomm fastconnect 6900 firmwareall versions
- qualcomm fastconnect 7800 firmwareall versions
- qualcomm iqx5121 firmwareall versions
- qualcomm iqx7181 firmwareall versions
- qualcomm qca0000 firmwareall versions
- qualcomm qcm5430 firmwareall versions
- qualcomm qcm6490 firmwareall versions
- qualcomm sc8380xp firmwareall versions
- qualcomm sd865 5g firmwareall versions
- qualcomm snapdragon 460 mobile platform firmwareall versions
- qualcomm snapdragon 662 mobile platform firmwareall versions
- qualcomm snapdragon 7c+ gen 3 compute firmwareall versions
- qualcomm snapdragon 8cx gen 3 compute platform firmwareall versions
- qualcomm snapdragon ar1 gen 1 platform firmwareall versions
- qualcomm snapdragon xr2 5g platform firmwareall versions
- qualcomm snapdragon xr2+ gen 1 platform firmwareall versions
- qualcomm sxr2230p firmwareall versions
- qualcomm sxr2250p firmwareall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (qualcomm). Independent of NVD's CPE analysis and usually ahead of it.
Qualcomm, Inc. Snapdragon
- Cologne, FastConnect 6700, FastConnect 6900, FastConnect 7800, QCA0000, QCM5430, QCM6490, Qualcomm Video Collaboration VC3 Platform, SC8380XP, Snapdragon 7c+ Gen 3 Compute, Snapdragon 8cx Gen 3 Compute Platform, WCD9370 … (+17)affected
Same product
qualcomm: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-25283Stack-based Buffer Overflow in OOBM35Monitor
- CVE-2026-25290Integer Overflow or Wraparound in OOBM31Monitor
- CVE-2026-25282Out-of-bounds Read in OOBM31Monitor
- CVE-2026-25261Untrusted Pointer Dereference in Camera31Monitor
- CVE-2026-24073Out-of-bounds Write in Video31Monitor
- CVE-2025-59607Untrusted Pointer Dereference in Windows Compute31Monitor
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.
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 researchersFinders, 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-2026-25283108 days apartStack-based Buffer Overflow in OOBM35Monitor
- CVE-2025-596120 days apartStack-based Buffer Overflow in Windows Compute26Monitor
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
- Someone with local access to the system can trigger it.
- Administrator privileges are 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
- Local
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-121 · Stack-based Buffer OverflowCVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/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.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
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.