Microsoft Office up to LTSC 2021 privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Office up to LTSC 2021. This affects an unknown part of the component Jet Red Database Engine/Access Connectivity Engine. Executing a manipulation can lead to an unknown weakness. This vulnerability is tracked as CVE-2021-42293. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Microsoft Office up to LTSC 2021 (Office Suite Software) and classified as critical. This vulnerability affects an unknown part of the component Jet Red Database Engine/Access Connectivity Engine. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/14/2021 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2021-42293. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 6.5
Vendor Vector (Microsoft): 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Microsoft): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

10/12/2021 🔍
12/14/2021 +63 days 🔍
12/14/2021 +0 days 🔍
12/15/2021 +0 days 🔍
05/19/2026 +1616 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed

CVE: CVE-2021-42293 (🔍)
GCVE (CVE): GCVE-0-2021-42293
GCVE (VulDB): GCVE-100-188212

Entryinfo

Created: 12/15/2021 05:26
Updated: 05/19/2026 20:57
Changes: 12/15/2021 05:26 (31), 12/15/2021 05:30 (23), 12/17/2021 11:38 (2), 05/19/2026 20:57 (42)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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