CVE-2025-27038: Qualcomm Multiple Chipsets Use-After-Free Vulnerability

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.

What it is

Memory corruption while rendering graphics using Adreno GPU drivers in Chrome.

Description quoted from the CVE record (assigned by qualcomm, published 2025-06-03).

Weakness: CWE-416 Use After Free

How it can be exploited

Exploitable over the network with high attack complexity needing no privileges and a user must take an action. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.

On CISA KEV since
2025-06-03
US federal deadline
2025-06-24
Ransomware use
Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2025-06489, CNNVD-202506-168, EUVD-2025-16700, GHSA-h454-pc9h-rvh2

Exploit Observer has no public exploit code that names this CVE or one of its aliases.

Research and write-ups (1)

Vulnerability databases and vendor advisories (5)

Catalogue entries, not exploit evidence.

29 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS
0.010
some chance of attack soon
VEDAS
0.693
some exploit evidence
On CISA KEV
Yes, since 2025-06-03
Detection rule
None yet
EPSS (chance of attack)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.1CVE-2025-27038 EPSS over time2025-062026-11-01
VEDAS (exploit evidence)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.9CVE-2025-27038 VEDAS over time2025-062026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

ProductAffectedNot affected
Qualcomm, Inc. Snapdragonversion AR8031
version CSRA6620
version CSRA6640
version FastConnect 7800
version QCA2066
version QCA6391
version QCM6125
version QCM8550
and 36 more ranges
Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: qualcomm snapdragon_4_gen_2_mobile_platform_firmware, qualcomm snapdragon_680_4g_mobile_platform_firmware, qualcomm snapdragon_685_4g_mobile_platform_\(sm6225-ad\)_firmware, qualcomm snapdragon_6_gen_1_mobile_platform_firmware, qualcomm snapdragon_w5\+_gen_1_wearable_platform_firmware, qualcomm_technologies_inc. snapdragon_4_gen_2_mobile_platform, qualcomm_technologies_inc. snapdragon_680_4g_mobile_platform, qualcomm_technologies_inc. snapdragon_685_4g_mobile_platform_(sm6225-ad), qualcomm_technologies_inc. snapdragon_6_gen_1_mobile_platform, qualcomm_technologies_inc. snapdragon_w5+_gen_1_wearable_platform.

How to fix it

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor guidance:

How to detect it

There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.

References

Government sources

Other references

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.