Microsoft Office use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Microsoft Office. Impacted is an unknown function. The manipulation results in use after free. This vulnerability is known as CVE-2026-47290. Attacking locally is a requirement. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Office (the affected version unknown). Affected is an unknown part. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2026-47290 since 05/19/2026. The exploitability is told to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/28/2026).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-2317). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Microsoft Excel
  • Microsoft Word
  • Microsoft PowerPoint
  • Microsoft Office
  • Microsoft SharePoint
  • Microsoft SharePoint Server 2019
  • Microsoft 365 Apps
  • Microsoft Office Online Server
  • Microsoft Office 365

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/19/2026 CVE reserved
07/14/2026 +56 days Advisory disclosed
07/14/2026 +0 days VulDB entry created
07/28/2026 +14 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-47290 (🔒)
GCVE (CVE): GCVE-0-2026-47290
GCVE (VulDB): GCVE-100-378570
CERT Bund: WID-SEC-2026-2317 - Microsoft Office Produkte: Mehrere Schwachstellen

Entryinfo

Created: 07/14/2026 22:01
Updated: 07/28/2026 13:52
Changes: 07/14/2026 22:01 (51), 07/17/2026 08:05 (6), 07/28/2026 13:49 (1), 07/28/2026 13:52 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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