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CVE-2026-77572— VeraCrypt: Missing authorization on veracrypt.sys IOCTLs exposes disk topology, symlink targets, and DeviceObject reference count to any client of \\.\VeraCrypt

一分钟漏洞结论

影响对象
veracrypt VeraCrypt
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

VeraCrypt provides disk encryption with strong security based on TrueCrypt. In 1.26.29 and earlier, selected metadata IOCTL handlers in the VeraCrypt Windows veracrypt.sys driver accept caller-supplied object-manager and device paths broader than supported Ver

CVSS 3.3 · Low

影响版本矩阵 1

厂商产品 版本范围状态
veracrypt VeraCrypt <= 1.26.29 affected
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一、 漏洞 CVE-2026-77572 基础信息

漏洞信息

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Vulnerability Title
VeraCrypt: Missing authorization on veracrypt.sys IOCTLs exposes disk topology, symlink targets, and DeviceObject reference count to any client of \\.\VeraCrypt
来源: CVE Program / CVE List V5
Vulnerability Description
VeraCrypt provides disk encryption with strong security based on TrueCrypt. In 1.26.29 and earlier, selected metadata IOCTL handlers in the VeraCrypt Windows veracrypt.sys driver accept caller-supplied object-manager and device paths broader than supported VeraCrypt workflows require. A local user who can open the intentionally user-accessible \.\VeraCrypt device can use TC_IOCTL_GET_RESOLVED_SYMLINK, TC_IOCTL_GET_DRIVE_PARTITION_INFO, VC_IOCTL_GET_DRIVE_GEOMETRY_EX, or the legacy TC_IOCTL_GET_DRIVE_GEOMETRY handler to make src/Driver/Ntdriver.c perform kernel-context symbolic-link or disk-device lookups outside the intended path scope. This can disclose low-sensitivity drive-letter targets, partition information, disk geometry, GPT or MBR state, and limited object-manager path metadata.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
信息暴露
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
veracrypt VeraCrypt <= 1.26.29 -

二、漏洞 CVE-2026-77572 的公开POC

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三、漏洞 CVE-2026-77572 的情报信息

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CVE-2026-77572 补丁与修复 (1)

CVE-2026-77572 厂商页面 (1)

CVE-2026-77572 其他参考 (1)

IV. Related Vulnerabilities

Same product: VeraCrypt
Same vendor: veracrypt
Same weakness: CWE-200

V. Comments for CVE-2026-77572

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