PT-2022-1835 · Microsoft · Office Excel+1

Jaanus Kääp · Published 2022-01-11 · Updated 2026-05-19 · CVE-2022-21841

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Excel (affected versions not specified)

Description The issue is related to a buffer overflow in memory, which can be exploited by an attacker to execute arbitrary code on a target system using a specially crafted file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2022-01279

CVE-2022-21841

Affected Products

Office Excel

Office

References · 11

• https://osv.dev/vulnerability/CVE-2022-21841 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/674003 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21841 · Security Note
• https://bdu.fstec.ru/vul/2022-01279 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-21841 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-21841 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21841 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2022011160 · Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21841 · Note
• https://twitter.com/f1tym1/status/2056823288412692819 · Twitter Post
• https://t.me/cvenotify/101763 · Telegram Post