CVE-2023-1018

TPM2.0 vulnerable to out-of-bounds read

MEDIUM

5.5

CVSS Score

Published: February 28, 2023 at 05:54 PM UTC

Updated: June 17, 2026 at 05:26 AM UTC

13 products affected across 2 vendorsWindows Server 2016Windows Server 2019Windows 10 1809

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Severity

MEDIUM5.5

Exploit prediction

EPSS 6%

SSVC

No known exploit

Description

An out-of-bounds read vulnerability exists in TPM2.0's Module Library allowing a 2-byte read past the end of a TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can read or access sensitive data stored in the TPM.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1507 · Microsoft

95%

v < 10.0.10240.19805

Affected range stops below 10.0.10240.19805, so it looks safe — our inference, not a vendor statement

Windows 10 1607 · Microsoft

95%

v < 10.0.14393.5786

Affected range stops below 10.0.14393.5786, so it looks safe — our inference, not a vendor statement

Windows 10 1809 · Microsoft

95%

v < 10.0.17763.4131

Affected range stops below 10.0.17763.4131, so it looks safe — our inference, not a vendor statement

Windows 10 20H2 · Microsoft

95%

v < 10.0.19042.2728

Affected range stops below 10.0.19042.2728, so it looks safe — our inference, not a vendor statement

Windows 10 21H2 · Microsoft

95%

v < 10.0.19044.2728

Affected range stops below 10.0.19044.2728, so it looks safe — our inference, not a vendor statement

Windows 10 22H2 · Microsoft

95%

v < 10.0.19045.2728

Affected range stops below 10.0.19045.2728, so it looks safe — our inference, not a vendor statement

Windows 11 21H2 · Microsoft

95%

v < 10.0.22000.1696

Affected range stops below 10.0.22000.1696, so it looks safe — our inference, not a vendor statement

Windows 11 22H2 · Microsoft

95%

v < 10.0.22621.1413

Affected range stops below 10.0.22621.1413, so it looks safe — our inference, not a vendor statement

Windows Server 2016 · Microsoft

95%

v < 10.0.14393.5786

Affected range stops below 10.0.14393.5786, so it looks safe — our inference, not a vendor statement

Windows Server 2019 · Microsoft

95%

v < 10.0.17763.4131

Affected range stops below 10.0.17763.4131, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Third Party AdvisoryUS Government Resource

Source: [email protected]

https://kb.cert.org/vuls/id/782720

Vendor Advisory

Source: [email protected]

https://trustedcomputinggroup.org/about/security/

Vendor Advisory

Source: [email protected]

https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.kb.cert.org/vuls/id/782720

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-125

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