What’s Vulnerable › Vulnerabilities

CVE-2023-1017: TPM2.0 vulnerable to out-of-bounds write

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-28 · updated 2026-06-17
• Weakness: CWE-787

Description

An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.

Affected products

• Microsoft Windows 10 Version 1507: before 10.0.10240.19805 — fixed in 10.0.10240.19805
• Microsoft Windows 10 1607: before 10.0.14393.5786 — fixed in 10.0.14393.5786
• Microsoft Windows 10: before 10.0.17763.4131 — fixed in 10.0.17763.4131
• Microsoft Windows 10 20H2: before 10.0.19042.2728 — fixed in 10.0.19042.2728
• Microsoft Windows 10: before 10.0.19044.2728 — fixed in 10.0.19044.2728
• Microsoft Windows 10: before 10.0.19045.2728 — fixed in 10.0.19045.2728
• Microsoft Windows 11 21H2: before 10.0.22000.1696 — fixed in 10.0.22000.1696
• Microsoft Windows 11: before 10.0.22621.1413 — fixed in 10.0.22621.1413
• Microsoft Windows Server 2016: before 10.0.14393.5786 — fixed in 10.0.14393.5786
• Microsoft Windows Server 2019: before 10.0.17763.4131 — fixed in 10.0.17763.4131
• Microsoft Windows Server 2022: before 10.0.20348.1607 — fixed in 10.0.20348.1607
• Trustedcomputinggroup Trusted Platform Module: 2.0-revision_1.16, 2.0-revision_1.38, 2.0-revision_1.59
• Trusted Computing Group TPM2.0: 1.59

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.19805; Microsoft Windows 10 1607 10.0.14393.5786; Microsoft Windows 10 10.0.17763.4131; Microsoft Windows 10 20H2 10.0.19042.2728; Microsoft Windows 10 10.0.19044.2728; Microsoft Windows 10 10.0.19045.2728; Microsoft Windows 11 21H2 10.0.22000.1696; Microsoft Windows 11 10.0.22621.1413; Microsoft Windows Server 2016 10.0.14393.5786; Microsoft Windows Server 2019 10.0.17763.4131; Microsoft Windows Server 2022 10.0.20348.1607. Check the vendor advisory for mitigations.

References

• https://kb.cert.org/vuls/id/782720
• https://trustedcomputinggroup.org/about/security/
• https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf
• https://kb.cert.org/vuls/id/782720
• https://trustedcomputinggroup.org/about/security/
• https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf
• https://www.kb.cert.org/vuls/id/782720

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