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CVE-2019-1297

Exploited in the wild. In CISA KEV since 2022‑03‑03. A vendor fix is available.

CVSS 3.18.8HighEPSS percentile98th22% chance in 30 daysCISA KEVListedsince 2022-03-03, due 2022-03-17
No public exploit knownFixVendor fixNo build named by the sources

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

  • Microsoft ExcelAffected: 2010 Service Pack 2 (32-bit editions)Upgrade to: not statedAffected: 2010 Service Pack 2 (64-bit editions)Upgrade to: not statedAffected: 2013 Service Pack 1 (32-bit editions)Upgrade to: not statedAffected: 2013 Service Pack 1 (64-bit editions)Upgrade to: not stated + 3 more branchesStated by: CVE record
  • Microsoft OfficeAffected: 2016 for MacUpgrade to: not statedAffected: 2019 for 32-bit editionsUpgrade to: not statedAffected: 2019 for 64-bit editionsUpgrade to: not statedAffected: 2019 for MacUpgrade to: not statedStated by: CVE record
  • Microsoft Office 365 ProPlusAffected: 32-bit SystemsUpgrade to: not statedAffected: 64-bit SystemsUpgrade to: not statedStated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

Coverage timeline

0 publishers

  1. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS98th
CISA KEV
CISA KEV

Listed as exploited in the wild since 2022-03-03.

US federal agencies must remediate by 2022-03-17.

Apply updates per vendor instructions.
Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

22% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Attention now

Rising.

Lifecycle

6 events over 2479 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Patch availablerecord updated
  3. Added to CISA KEV
  4. Publishedweakness classified

Affected products

And 6 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Scored 8.8 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

Sources

References in the record

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next exploited one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Microsoft Excel, not every advisory. This one: actively exploited.