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CVE-2023-1018

22
FAUCET Score

CVE-2023-1018 is an out-of-bounds read vulnerability in the TPM2.0 Module Library, specifically within the CryptParameterDecryption routine, affecting products from Microsoft and the Trusted Computing Group. This flaw allows a 2-byte read past the end of a TPM2.0 command. With a CVSS score of 5.5 (Medium), successful exploitation could lead to unauthorized access or reading of sensitive data stored in the TPM, although it requires local access and low privileges. There is no evidence of active exploitation, nor are there public exploit codes available in Metasploit, Nuclei, or ExploitDB. Despite this, the vulnerability has garnered significant community attention and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.16:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.38:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.59:*:*:*:*:*:*
< 10.0.10240.19805CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
< 10.0.14393.5786CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.55%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0555 is in the 100th percentile among its peer group of 15,937 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (24)

charmpatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.5786
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.1602
microsoftpatch availablevia msrc
Product: Windows 11 version 21H2 for x64-based SystemsFixed in: 10.0.22000.1696
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.2728
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 22H2 for x64-based SystemsFixed in: 10.0.22621.1413
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for x64-based SystemsFixed in: 10.0.19045.2728
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.19805
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.5786
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016Fixed in: 10.0.14393.5786
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.4131
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019Fixed in: 10.0.17763.4131
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.4131
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022Fixed in: 10.0.20348.1607
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.1607
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022Fixed in: 10.0.20348.1602
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: virt-devel:rhel-8060020230403063348.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: virt:rhel-8060020230403063348.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libtpms-0:0.9.1-3.20211126git1ff6fe1f43.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt:rhel-8080020230410211546.fd72936b
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt-devel:rhel-8080020230410211546.fd72936b
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:av/libtpms
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:8.2/libtpms
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:8.3/libtpms

Vendor Advisories (3)

microsoft2023-Mar/CVE-2023-1018Critical

CERT/CC: CVE-2023-1018 TPM2.0 Module Library Elevation of Privilege Vulnerability

Mar 14, 2023
redhatCVE-2023-1018Moderate

tpm2: TCG TPM2.0 implementations vulnerable to memory corruption

Feb 28, 2023
charmllm-charm-da507ae615e660c1MEDIUM

Trusted Platform Module (TPM) 2.0 out-of-bounds read/write (CVE-2023-1017, CVE-2023-1018)

References

kb.cert.org / vuls/id/782720
kb.cert.org / vuls/id/782720
Third Party AdvisoryUS Government Resource
trustedcomputinggroup.org / about/security
Vendor Advisory
trustedcomputinggroup.org / wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf
Vendor Advisory