CVE-2026-0004
A transient execution vulnerability in some AMD processors may allow an attacker with the ability...
CVE-2026-0004 is a medium vulnerability (CVSS 5.7) in Amd Epyc™ 8005 Series Processors, published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.
- Severity
- 5.7 MediumCVSS 4.0, CVE List
- Exploit chance
- 0.18%EPSS, 7th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
Discussion
Affected products
- amd epyc™ 8005 series processors
- amd epyc™ 9005 series processors
- amd epyc™ embedded 2005 series processors
- amd epyc™ embedded 9005 series processors
- amd ryzen™ 9000 series desktop processors
- amd ryzen™ 9000hx series processors
- amd ryzen™ ai 300 series processors
- amd ryzen™ ai 400 series desktop processors
- amd ryzen™ ai 400 series processors
- amd ryzen™ ai max 300 series processors
- amd ryzen™ ai max 400 series processors
- amd ryzen™ embedded 9000 series processors
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- amd ryzen™ embedded p100 series processors
- amd ryzen™ threadripper™ 7000 processors
- amd ryzen™ threadripper™ 9000 processors
- amd ryzen™ threadripper™ pro 7000 wx-series processors
- amd ryzen™ threadripper™ pro 9000 wx-series processors
- amd ryzen™ z1 series processors
- amd ryzen™ z2 series processors extreme
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linuxDebian:12 | All versions, plus listed versions 6.1.106-16.1.106-26.1.106-36.1.112-16.1.115-1 Show 45 moreShow less6.1.119-16.1.123-16.1.124-16.1.128-16.1.129-16.1.133-16.1.135-16.1.137-16.1.139-16.1.140-16.1.147-16.1.148-16.1.153-16.1.158-16.1.159-16.1.162-16.1.164-16.1.170-16.1.170-26.1.170-36.1.172-16.1.174-16.1.176-16.1.177-16.1.180-16.1.187-16.1.190-16.1.27-16.1.37-16.1.38-16.1.38-26.1.38-2~bpo11+16.1.38-36.1.38-46.1.38-4~bpo11+16.1.52-16.1.55-16.1.55-1~bpo11+16.1.64-16.1.66-16.1.67-16.1.69-16.1.69-1~bpo11+16.1.76-16.1.76-1~bpo11+1 | None known |
linuxDebian:13 | All versions, plus listed versions 6.12.100-16.12.101-16.12.105-16.12.107-16.12.111-1 Show 45 moreShow less6.12.113-16.12.115-16.12.115-26.12.116-16.12.38-16.12.41-16.12.43-16.12.43-1~bpo12+16.12.48-16.12.57-16.12.57-1~bpo12+16.12.63-16.12.63-1~bpo12+16.12.69-16.12.69-1~bpo12+16.12.73-16.12.73-1~bpo12+16.12.74-16.12.74-26.12.74-2~bpo12+16.12.85-16.12.85-1~bpo12+16.12.86-16.12.86-1~bpo12+16.12.88-16.12.88-1~bpo12+16.12.90-16.12.90-1~bpo12+16.12.90-26.12.90-2~bpo12+16.12.94-16.12.94-1~bpo12+16.12.95-16.12.95-1~bpo12+16.12.96-16.13.10-1~exp16.13.11-1~exp16.13.2-1~exp16.13.3-1~exp16.13.4-1~exp16.13.5-1~exp16.13.6-1~exp16.13.7-1~exp16.13.8-1~exp16.13.9-1~exp1 | None known |
linuxDebian:14 | All versions, plus listed versions 6.12.100-16.12.101-16.12.105-16.12.107-16.12.111-1 Show 45 moreShow less6.12.113-16.12.115-16.12.115-26.12.116-16.12.38-16.12.41-16.12.43-16.12.43-1~bpo12+16.12.48-16.12.57-16.12.57-1~bpo12+16.12.63-16.12.63-1~bpo12+16.12.69-16.12.69-1~bpo12+16.12.73-16.12.73-1~bpo12+16.12.74-16.12.74-26.12.74-2~bpo12+16.12.85-16.12.85-1~bpo12+16.12.86-16.12.86-1~bpo12+16.12.88-16.12.88-1~bpo12+16.12.90-16.12.90-1~bpo12+16.12.90-26.12.90-2~bpo12+16.12.94-16.12.94-1~bpo12+16.12.95-16.12.95-1~bpo12+16.12.96-16.13.10-1~exp16.13.11-1~exp16.13.2-1~exp16.13.3-1~exp16.13.4-1~exp16.13.5-1~exp16.13.6-1~exp16.13.7-1~exp16.13.8-1~exp16.13.9-1~exp1 | None known |
xenDebian:12 | All versions, plus listed versions 4.17.1+2-gb773c48e36-14.17.2+55-g0b56bed864-14.17.2+76-ge1f9cb16e2-14.17.2+76-ge1f9cb16e2-1~deb12u14.17.2-1 Show 24 moreShow less4.17.3+10-g091466ba55-14.17.3+10-g091466ba55-1.14.17.3+10-g091466ba55-1.1~exp14.17.3+10-g091466ba55-1.1~exp24.17.3+10-g091466ba55-1~deb12u14.17.3+36-g54dacb5c02-14.17.5+23-ga4e5191dc0-14.17.5+23-ga4e5191dc0-1+deb12u14.17.5+72-g01140da4e8-14.17.7+13-g2445b30a44-0+deb12u14.17.7-0+deb12u14.19.0+14-g0918434e0f-1~exp14.19.1-14.19.1-1~exp14.19.1-1~exp44.20.0+68-g35cb38b222-14.20.0-14.20.0~rc2+1-gfcde5e0de8-1~exp14.20.2+37-g61ff35323e-14.20.2+7-g1badcf5035-14.20.2+7-g1badcf5035-24.20.3+127-gc42374a105-14.20.4+39-gf1e1321c87-14.20.4+63-g7abfd2bce2-1 | None known |
xenDebian:13 | All versions, plus listed versions 4.20.0+68-g35cb38b222-14.20.2+37-g61ff35323e-0+deb13u14.20.2+37-g61ff35323e-14.20.2+7-g1badcf5035-0+deb13u14.20.2+7-g1badcf5035-1 Show 7 moreShow less4.20.2+7-g1badcf5035-24.20.3+127-gc42374a105-0+deb13u14.20.3+127-gc42374a105-14.20.4+39-gf1e1321c87-0+deb13u14.20.4+39-gf1e1321c87-14.20.4+63-g7abfd2bce2-0+deb13u14.20.4+63-g7abfd2bce2-1 | None known |
xenDebian:14 | All versions, plus listed versions 4.20.0+68-g35cb38b222-14.20.2+37-g61ff35323e-14.20.2+7-g1badcf5035-14.20.2+7-g1badcf5035-24.20.3+127-gc42374a105-14.20.4+39-gf1e1321c87-14.20.4+63-g7abfd2bce2-1 | None known |
amd64-microcodeUbuntu:14.04:LTS | All versions, plus listed versions 1.20120910-32.20131007.1+really20130710.13.20180524.1~ubuntu0.14.04.13.20180524.1~ubuntu0.14.04.2+really20130710.13.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1 | None known |
amd64-microcodeUbuntu:Pro:16.04:LTS | All versions, plus listed versions 2.20141028.12.20160316.13.20180524.1~ubuntu0.16.04.13.20180524.1~ubuntu0.16.04.23.20191021.1ubuntu0.16.04.1 Show 4 moreShow less3.20191021.1+really3.20180524.1~ubuntu0.16.04.23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm13.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm23.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3 | None known |
amd64-microcodeUbuntu:Pro:18.04:LTS | All versions, plus listed versions 3.20160316.33.20171205.13.20180524.1~ubuntu0.18.04.13.20180524.1~ubuntu0.18.04.23.20191021.1ubuntu0.18.04.2 Show 4 moreShow less3.20191021.1+really3.20181128.1~ubuntu0.18.04.13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm13.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm23.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3 | None known |
amd64-microcodeUbuntu:20.04:LTS | All versions, plus listed versions 3.20181128.1ubuntu23.20191021.1ubuntu13.20191218.1ubuntu13.20191218.1ubuntu1.13.20191218.1ubuntu1.23.20191218.1ubuntu1.3 | None known |
Show 4 moreShow less
| Package | Affected | Fixed |
|---|---|---|
amd64-microcodeUbuntu:22.04:LTS | All versions, plus listed versions 3.20191218.1ubuntu23.20191218.1ubuntu2.13.20191218.1ubuntu2.23.20191218.1ubuntu2.3 | None known |
amd64-microcodeUbuntu:24.04:LTS | All versions, plus listed versions 3.20230808.1.1ubuntu13.20231019.1ubuntu13.20231019.1ubuntu23.20231019.1ubuntu2.13.20250311.1ubuntu0.24.04.13.20251202.1ubuntu0.24.04.1 | None known |
amd64-microcodeUbuntu:26.10 | All versions, plus listed versions 3.20251202.1ubuntu2 | None known |
amd64-microcodeUbuntu:26.04:LTS | All versions, plus listed versions 3.20250708.1ubuntu13.20250708.1ubuntu23.20251202.1ubuntu13.20251202.1ubuntu2 | None known |
What each source reports
CVE List Score used
A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.
- Record
CVE-2026-0004- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-1421
- Updated
- 2026-11-12
EUVDEUVD-2026-124645
A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.
- Record
EUVD-2026-124645- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-12
GitHub AdvisoriesGHSA-jj4m-5wjw-ppcc
A transient execution vulnerability in some AMD processors may allow an attacker with the ability...
A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.
- Record
GHSA-jj4m-5wjw-ppcc- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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 - Updated
- 2026-11-12
NVD
A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.
- Record
CVE-2026-0004- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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 - Updated
- 2026-11-12
OSVDEBIAN-CVE-2026-0004
A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.
- Record
DEBIAN-CVE-2026-0004- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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 - Updated
- 2026-11-13
OSVUBUNTU-CVE-2026-0004
A transient execution vulnerability in some AMD processors may 5.7 allow an attacker to infer data i…
- Record
UBUNTU-CVE-2026-0004- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-13
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, published, references | OSV | |
| affected, published | EUVD, OSV | |
| aliases, references, title | GitHub Advisories, NVD | |
| cwes, severity | CVE List | |
| aliases, description, products, references, severity | EUVD | |
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html
nvd.nist.gov/vuln/detail/CVE-2026-0004
github.com/advisories/GHSA-jj4m-5wjw-ppcc
security-tracker.debian.org/tracker/CVE-2026-0004
ubuntu.com/security/CVE-2026-0004
cve.org/CVERecord?id=CVE-2026-0004
Left out here: 631 versions. The JSON record has them.