VDB

CNVD-2026-12553

CNVD-2026-12553 PUBLISHED CVSS 5.5 MEDIUM

Record from circl · Published February 10, 2026

Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel存在缓冲区溢出漏洞。该漏洞源于程序未能正确验证输入数据的长度大小，攻击者可利用该漏洞获取敏感信息。

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
Microsoft Office LTSC for Mac 2024Microsoft16.106.26020821
Microsoft Office LTSC 2024Microsofthttps://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021Microsoft16.106.26020821

Risk scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Affected products

VendorProductVersions
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0
MicrosoftMicrosoft Office LTSC 202416.0.0
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1
microsoftoffice_201919.0.0
MicrosoftOffice Online Server16.0.0.0
MicrosoftMicrosoft Excel 201616.0.0.0
MicrosoftMicrosoft Office LTSC 202116.0.1
microsoftoffice_202116.0.1, 16.0.0.0
MicrosoftMicrosoft Office 201919.0.0
microsoft365_apps16.0.1
microsoftoffice_macos_202416.0.0
microsoftexcel_201616.0.0.0
microsoftoffice_202416.0.0
microsoftoffice_macos_202116.0.1
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1

Timeline

  • Feb 10, 2026 PoC Published (6 in total, the first dated here)
  • Feb 10, 2026 CVE Published
  • May 11, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CNVD-2026-12553
vulnetix vdb fixes CNVD-2026-12553

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CNVD-2026-12553/fixes/registry"

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References

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